Home / 5,728.77-8,591.92-2,031.12

Finding the Fourth Proportional to 5,728.77, 8,591.92 and 2,031.12

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Solution

The fourth proportional to 5,728.77, 8,591.92 and 2,031.12 is: 3,046.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.77 : 8,591.92 = 2,031.12 : x
  2. Step 2: Convert to fraction form
    5,728.77/8,591.92 = 2,031.12/x
  3. Step 3: Cross multiply
    5,728.77x = 8,591.92 × 2,031.12
  4. Step 4: Simplify right side
    5,728.77x = 17,451,215.47
  5. Step 5: Solve for x
    x = 17,451,215.47/5,728.77
  6. Step 6: Final answer
    x = 3,046.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.