Concept explainers
To find the means and the extremes in the proportion.
Answer to Problem 1RP
The means in the proportion are b and c.
The extremes in the proportion are a and d.
Explanation of Solution
Given information:
Proportion is
In this form, “ a” is called the first term, “ b ” is called the second term, “ c ” is called the third term, and “ d ” is called the fourth term.
Formula used:
A proportion is an equation stating that two or more ratios are equal. In a proportion containing four terms,
The first and fourth terms are called the extremes
The second and third terms are called the means.
The proportion can be written as
Therefore, the middle terms are known as means and the outer terms are known as extremes. Therefore,
The means of the proportion are “ b ” and “ c ”.
The extremes of the proportion are “ a ” and “ d ”.
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