Home / 3,822.11-5,275.61-2,251.12

Finding the Fourth Proportional to 3,822.11, 5,275.61 and 2,251.12

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Solution

The fourth proportional to 3,822.11, 5,275.61 and 2,251.12 is: 3,107.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.11 : 5,275.61 = 2,251.12 : x
  2. Step 2: Convert to fraction form
    3,822.11/5,275.61 = 2,251.12/x
  3. Step 3: Cross multiply
    3,822.11x = 5,275.61 × 2,251.12
  4. Step 4: Simplify right side
    3,822.11x = 11,876,015.18
  5. Step 5: Solve for x
    x = 11,876,015.18/3,822.11
  6. Step 6: Final answer
    x = 3,107.19

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Half scale
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Double scale
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Similar ratio
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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.