Home / 3,731.06-5,147.55-2,472.73

Finding the Fourth Proportional to 3,731.06, 5,147.55 and 2,472.73

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Solution

The fourth proportional to 3,731.06, 5,147.55 and 2,472.73 is: 3,411.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.06 : 5,147.55 = 2,472.73 : x
  2. Step 2: Convert to fraction form
    3,731.06/5,147.55 = 2,472.73/x
  3. Step 3: Cross multiply
    3,731.06x = 5,147.55 × 2,472.73
  4. Step 4: Simplify right side
    3,731.06x = 12,728,488.44
  5. Step 5: Solve for x
    x = 12,728,488.44/3,731.06
  6. Step 6: Final answer
    x = 3,411.49

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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.