Home / 3,953.70-5,932.92-1,581.35

Finding the Fourth Proportional to 3,953.70, 5,932.92 and 1,581.35

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Solution

The fourth proportional to 3,953.70, 5,932.92 and 1,581.35 is: 2,372.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.70 : 5,932.92 = 1,581.35 : x
  2. Step 2: Convert to fraction form
    3,953.70/5,932.92 = 1,581.35/x
  3. Step 3: Cross multiply
    3,953.70x = 5,932.92 × 1,581.35
  4. Step 4: Simplify right side
    3,953.70x = 9,382,023.04
  5. Step 5: Solve for x
    x = 9,382,023.04/3,953.70
  6. Step 6: Final answer
    x = 2,372.97

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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.