Find the fourth proportional to 4 , 7, 20 Question Find the fourth proportional to 4 , 7, 20 in progress 0 Math Alice 1 month 2021-08-20T03:31:15+00:00 2021-08-20T03:31:15+00:00 2 Answers 0 views 0

## Answers ( )

## Answer:

35.

## Explanation:

## Let the fourth proportional to be x.

## 4:7::20:

x4×x=7×20x=7×204We cut off so we will get =7×5=35

so, X = 35

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Answer:x=35

Step-by-step explanation:4:7::20:x

let the fourth proportional number be x

as we know to find the proportion we multiply extreme(1st and 4th)terms and middle terms to each other.

Here,

4x=140(following the above rule)

x=140/4

x=35

hence ur answer is x=35

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