Home / 4,150.92-5,728.32-2,287.92

Finding the Fourth Proportional to 4,150.92, 5,728.32 and 2,287.92

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Solution

The fourth proportional to 4,150.92, 5,728.32 and 2,287.92 is: 3,157.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,150.92 : 5,728.32 = 2,287.92 : x
  2. Step 2: Convert to fraction form
    4,150.92/5,728.32 = 2,287.92/x
  3. Step 3: Cross multiply
    4,150.92x = 5,728.32 × 2,287.92
  4. Step 4: Simplify right side
    4,150.92x = 13,105,937.89
  5. Step 5: Solve for x
    x = 13,105,937.89/4,150.92
  6. Step 6: Final answer
    x = 3,157.36

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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.