Home / 3,275.38-4,517.03-2,438.20

Finding the Fourth Proportional to 3,275.38, 4,517.03 and 2,438.20

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Solution

The fourth proportional to 3,275.38, 4,517.03 and 2,438.20 is: 3,362.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.38 : 4,517.03 = 2,438.20 : x
  2. Step 2: Convert to fraction form
    3,275.38/4,517.03 = 2,438.20/x
  3. Step 3: Cross multiply
    3,275.38x = 4,517.03 × 2,438.20
  4. Step 4: Simplify right side
    3,275.38x = 11,013,387.77
  5. Step 5: Solve for x
    x = 11,013,387.77/3,275.38
  6. Step 6: Final answer
    x = 3,362.48

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Half scale
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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.