Home / 3,931.24-5,425.24-2,252.66

Finding the Fourth Proportional to 3,931.24, 5,425.24 and 2,252.66

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Solution

The fourth proportional to 3,931.24, 5,425.24 and 2,252.66 is: 3,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.24 : 5,425.24 = 2,252.66 : x
  2. Step 2: Convert to fraction form
    3,931.24/5,425.24 = 2,252.66/x
  3. Step 3: Cross multiply
    3,931.24x = 5,425.24 × 2,252.66
  4. Step 4: Simplify right side
    3,931.24x = 12,221,221.14
  5. Step 5: Solve for x
    x = 12,221,221.14/3,931.24
  6. Step 6: Final answer
    x = 3,108.74

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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.