Home / 4,129.38-5,698.35-2,240.92

Finding the Fourth Proportional to 4,129.38, 5,698.35 and 2,240.92

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Solution

The fourth proportional to 4,129.38, 5,698.35 and 2,240.92 is: 3,092.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.38 : 5,698.35 = 2,240.92 : x
  2. Step 2: Convert to fraction form
    4,129.38/5,698.35 = 2,240.92/x
  3. Step 3: Cross multiply
    4,129.38x = 5,698.35 × 2,240.92
  4. Step 4: Simplify right side
    4,129.38x = 12,769,546.48
  5. Step 5: Solve for x
    x = 12,769,546.48/4,129.38
  6. Step 6: Final answer
    x = 3,092.36

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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.