Home / 4,126.07-5,691.85-2,709.55

Finding the Fourth Proportional to 4,126.07, 5,691.85 and 2,709.55

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Solution

The fourth proportional to 4,126.07, 5,691.85 and 2,709.55 is: 3,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.07 : 5,691.85 = 2,709.55 : x
  2. Step 2: Convert to fraction form
    4,126.07/5,691.85 = 2,709.55/x
  3. Step 3: Cross multiply
    4,126.07x = 5,691.85 × 2,709.55
  4. Step 4: Simplify right side
    4,126.07x = 15,422,323.71
  5. Step 5: Solve for x
    x = 15,422,323.71/4,126.07
  6. Step 6: Final answer
    x = 3,737.78

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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.