Home / 5,167.52-7,131.36-3,177.70

Finding the Fourth Proportional to 5,167.52, 7,131.36 and 3,177.70

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Solution

The fourth proportional to 5,167.52, 7,131.36 and 3,177.70 is: 4,385.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.52 : 7,131.36 = 3,177.70 : x
  2. Step 2: Convert to fraction form
    5,167.52/7,131.36 = 3,177.70/x
  3. Step 3: Cross multiply
    5,167.52x = 7,131.36 × 3,177.70
  4. Step 4: Simplify right side
    5,167.52x = 22,661,316.76
  5. Step 5: Solve for x
    x = 22,661,316.76/5,167.52
  6. Step 6: Final answer
    x = 4,385.34

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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.