Home / 3,512.57-5,268.85-1,951.83

Finding the Fourth Proportional to 3,512.57, 5,268.85 and 1,951.83

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Solution

The fourth proportional to 3,512.57, 5,268.85 and 1,951.83 is: 2,927.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.57 : 5,268.85 = 1,951.83 : x
  2. Step 2: Convert to fraction form
    3,512.57/5,268.85 = 1,951.83/x
  3. Step 3: Cross multiply
    3,512.57x = 5,268.85 × 1,951.83
  4. Step 4: Simplify right side
    3,512.57x = 10,283,878.03
  5. Step 5: Solve for x
    x = 10,283,878.03/3,512.57
  6. Step 6: Final answer
    x = 2,927.74

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.