Home / 3,966.24-5,472.96-2,197.68

Finding the Fourth Proportional to 3,966.24, 5,472.96 and 2,197.68

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Solution

The fourth proportional to 3,966.24, 5,472.96 and 2,197.68 is: 3,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.24 : 5,472.96 = 2,197.68 : x
  2. Step 2: Convert to fraction form
    3,966.24/5,472.96 = 2,197.68/x
  3. Step 3: Cross multiply
    3,966.24x = 5,472.96 × 2,197.68
  4. Step 4: Simplify right side
    3,966.24x = 12,027,814.73
  5. Step 5: Solve for x
    x = 12,027,814.73/3,966.24
  6. Step 6: Final answer
    x = 3,032.55

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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.