Question

Find the ratio of 4 km to 60 m
And check whether 7,21,3,9 are in proportion ???
Plz answer fast who so ever fast and correct answer I will give heart , star ⭐️ and I will make brainlist to him/her

Answer 1

Answer:

Q1-    200:3

Q2 -   Yes 7,21,3,9  are in proportion

Step-by-step explanation:

Q1. Find the ratio of 4km to 60 m

4km = 4000m

4000:60

4000/60 = 200/3

= 200:3 ans.

Q2 Whether 7,21,3,9 are in proportion

Soln:

Product of extremes = Product of means

         7 x 9                 =    21 x 3

         63                    =      63

So, 7,21,3,9 are in proportion