Home / 3,244.71-4,472.17-2,772.61

Finding the Fourth Proportional to 3,244.71, 4,472.17 and 2,772.61

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Solution

The fourth proportional to 3,244.71, 4,472.17 and 2,772.61 is: 3,821.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,244.71 : 4,472.17 = 2,772.61 : x
  2. Step 2: Convert to fraction form
    3,244.71/4,472.17 = 2,772.61/x
  3. Step 3: Cross multiply
    3,244.71x = 4,472.17 × 2,772.61
  4. Step 4: Simplify right side
    3,244.71x = 12,399,583.26
  5. Step 5: Solve for x
    x = 12,399,583.26/3,244.71
  6. Step 6: Final answer
    x = 3,821.48

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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.