Home / 3,227.49-4,454.10-1,901.61

Finding the Fourth Proportional to 3,227.49, 4,454.10 and 1,901.61

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Solution

The fourth proportional to 3,227.49, 4,454.10 and 1,901.61 is: 2,624.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.49 : 4,454.10 = 1,901.61 : x
  2. Step 2: Convert to fraction form
    3,227.49/4,454.10 = 1,901.61/x
  3. Step 3: Cross multiply
    3,227.49x = 4,454.10 × 1,901.61
  4. Step 4: Simplify right side
    3,227.49x = 8,469,961.10
  5. Step 5: Solve for x
    x = 8,469,961.10/3,227.49
  6. Step 6: Final answer
    x = 2,624.32

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Half scale
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Double 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.