Home / 3,424.92-4,726.30-1,932.78

Finding the Fourth Proportional to 3,424.92, 4,726.30 and 1,932.78

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Solution

The fourth proportional to 3,424.92, 4,726.30 and 1,932.78 is: 2,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.92 : 4,726.30 = 1,932.78 : x
  2. Step 2: Convert to fraction form
    3,424.92/4,726.30 = 1,932.78/x
  3. Step 3: Cross multiply
    3,424.92x = 4,726.30 × 1,932.78
  4. Step 4: Simplify right side
    3,424.92x = 9,134,898.11
  5. Step 5: Solve for x
    x = 9,134,898.11/3,424.92
  6. Step 6: Final answer
    x = 2,667.19

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1.5x scale

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.