Question

if 1/3,1/x,1/5,1/7 are in proportions .find x​

Answer 1

Answer:

x=21/5

Step-by-step explanation:

solⁿ

a×d=b×c

1/3×1/7=1/x×1/5

1/21=1/5x

5x=21

x=21/5

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