Question

The first terms of a proportion are 3,5 and 21 respectively. find the fourth term​

Answer 1

Answer:

35

Step-by-step explanation:

3:5::21:x

x = 35

Answer 2

According to the question,

Product of means=Product of extremes.

Let the missing proportion be x.

Then,

3*x=5*21

3x=105

x=105/3

x=35.

This is the correct answer.

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