Home / 2,082.38-2,874.28-1,232.42

Finding the Fourth Proportional to 2,082.38, 2,874.28 and 1,232.42

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Solution

The fourth proportional to 2,082.38, 2,874.28 and 1,232.42 is: 1,701.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.38 : 2,874.28 = 1,232.42 : x
  2. Step 2: Convert to fraction form
    2,082.38/2,874.28 = 1,232.42/x
  3. Step 3: Cross multiply
    2,082.38x = 2,874.28 × 1,232.42
  4. Step 4: Simplify right side
    2,082.38x = 3,542,320.16
  5. Step 5: Solve for x
    x = 3,542,320.16/2,082.38
  6. Step 6: Final answer
    x = 1,701.09

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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.