Home / 5,233.66-7,220.16-3,136.60

Finding the Fourth Proportional to 5,233.66, 7,220.16 and 3,136.60

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Solution

The fourth proportional to 5,233.66, 7,220.16 and 3,136.60 is: 4,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.66 : 7,220.16 = 3,136.60 : x
  2. Step 2: Convert to fraction form
    5,233.66/7,220.16 = 3,136.60/x
  3. Step 3: Cross multiply
    5,233.66x = 7,220.16 × 3,136.60
  4. Step 4: Simplify right side
    5,233.66x = 22,646,753.86
  5. Step 5: Solve for x
    x = 22,646,753.86/5,233.66
  6. Step 6: Final answer
    x = 4,327.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.