Home / 4,124.01-5,691.87-3,127.61

Finding the Fourth Proportional to 4,124.01, 5,691.87 and 3,127.61

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Solution

The fourth proportional to 4,124.01, 5,691.87 and 3,127.61 is: 4,316.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.01 : 5,691.87 = 3,127.61 : x
  2. Step 2: Convert to fraction form
    4,124.01/5,691.87 = 3,127.61/x
  3. Step 3: Cross multiply
    4,124.01x = 5,691.87 × 3,127.61
  4. Step 4: Simplify right side
    4,124.01x = 17,801,963.76
  5. Step 5: Solve for x
    x = 17,801,963.76/4,124.01
  6. Step 6: Final answer
    x = 4,316.66

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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.