Home / 5,221.17-7,826.25-1,932.15

Finding the Fourth Proportional to 5,221.17, 7,826.25 and 1,932.15

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Solution

The fourth proportional to 5,221.17, 7,826.25 and 1,932.15 is: 2,896.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.17 : 7,826.25 = 1,932.15 : x
  2. Step 2: Convert to fraction form
    5,221.17/7,826.25 = 1,932.15/x
  3. Step 3: Cross multiply
    5,221.17x = 7,826.25 × 1,932.15
  4. Step 4: Simplify right side
    5,221.17x = 15,121,488.94
  5. Step 5: Solve for x
    x = 15,121,488.94/5,221.17
  6. Step 6: Final answer
    x = 2,896.19

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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.