Home / 5,167.43-7,131.19-3,176.85

Finding the Fourth Proportional to 5,167.43, 7,131.19 and 3,176.85

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Solution

The fourth proportional to 5,167.43, 7,131.19 and 3,176.85 is: 4,384.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.43 : 7,131.19 = 3,176.85 : x
  2. Step 2: Convert to fraction form
    5,167.43/7,131.19 = 3,176.85/x
  3. Step 3: Cross multiply
    5,167.43x = 7,131.19 × 3,176.85
  4. Step 4: Simplify right side
    5,167.43x = 22,654,720.95
  5. Step 5: Solve for x
    x = 22,654,720.95/5,167.43
  6. Step 6: Final answer
    x = 4,384.14

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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.