Home / 3,581.24-5,373.17-2,101.71

Finding the Fourth Proportional to 3,581.24, 5,373.17 and 2,101.71

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Solution

The fourth proportional to 3,581.24, 5,373.17 and 2,101.71 is: 3,153.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.24 : 5,373.17 = 2,101.71 : x
  2. Step 2: Convert to fraction form
    3,581.24/5,373.17 = 2,101.71/x
  3. Step 3: Cross multiply
    3,581.24x = 5,373.17 × 2,101.71
  4. Step 4: Simplify right side
    3,581.24x = 11,292,834.61
  5. Step 5: Solve for x
    x = 11,292,834.61/3,581.24
  6. Step 6: Final answer
    x = 3,153.34

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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.