Home / 5,731.20-8,616.24-4,575.96

Finding the Fourth Proportional to 5,731.20, 8,616.24 and 4,575.96

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Solution

The fourth proportional to 5,731.20, 8,616.24 and 4,575.96 is: 6,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731.20 : 8,616.24 = 4,575.96 : x
  2. Step 2: Convert to fraction form
    5,731.20/8,616.24 = 4,575.96/x
  3. Step 3: Cross multiply
    5,731.20x = 8,616.24 × 4,575.96
  4. Step 4: Simplify right side
    5,731.20x = 39,427,569.59
  5. Step 5: Solve for x
    x = 39,427,569.59/5,731.20
  6. Step 6: Final answer
    x = 6,879.46

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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.