Home / 3,487.38-5,229.18-1,177.26

Finding the Fourth Proportional to 3,487.38, 5,229.18 and 1,177.26

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Solution

The fourth proportional to 3,487.38, 5,229.18 and 1,177.26 is: 1,765.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.38 : 5,229.18 = 1,177.26 : x
  2. Step 2: Convert to fraction form
    3,487.38/5,229.18 = 1,177.26/x
  3. Step 3: Cross multiply
    3,487.38x = 5,229.18 × 1,177.26
  4. Step 4: Simplify right side
    3,487.38x = 6,156,104.45
  5. Step 5: Solve for x
    x = 6,156,104.45/3,487.38
  6. Step 6: Final answer
    x = 1,765.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.