Home / 5,232.67-7,221.05-3,136.79

Finding the Fourth Proportional to 5,232.67, 7,221.05 and 3,136.79

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Solution

The fourth proportional to 5,232.67, 7,221.05 and 3,136.79 is: 4,328.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.67 : 7,221.05 = 3,136.79 : x
  2. Step 2: Convert to fraction form
    5,232.67/7,221.05 = 3,136.79/x
  3. Step 3: Cross multiply
    5,232.67x = 7,221.05 × 3,136.79
  4. Step 4: Simplify right side
    5,232.67x = 22,650,901.75
  5. Step 5: Solve for x
    x = 22,650,901.75/5,232.67
  6. Step 6: Final answer
    x = 4,328.75

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Double scale
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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.