Home / 6,292.27-8,679.92-3,901.44

Finding the Fourth Proportional to 6,292.27, 8,679.92 and 3,901.44

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Solution

The fourth proportional to 6,292.27, 8,679.92 and 3,901.44 is: 5,381.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,292.27 : 8,679.92 = 3,901.44 : x
  2. Step 2: Convert to fraction form
    6,292.27/8,679.92 = 3,901.44/x
  3. Step 3: Cross multiply
    6,292.27x = 8,679.92 × 3,901.44
  4. Step 4: Simplify right side
    6,292.27x = 33,864,149.66
  5. Step 5: Solve for x
    x = 33,864,149.66/6,292.27
  6. Step 6: Final answer
    x = 5,381.86

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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.