Home / 4,121.16-5,687.17-2,232.75

Finding the Fourth Proportional to 4,121.16, 5,687.17 and 2,232.75

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Solution

The fourth proportional to 4,121.16, 5,687.17 and 2,232.75 is: 3,081.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.16 : 5,687.17 = 2,232.75 : x
  2. Step 2: Convert to fraction form
    4,121.16/5,687.17 = 2,232.75/x
  3. Step 3: Cross multiply
    4,121.16x = 5,687.17 × 2,232.75
  4. Step 4: Simplify right side
    4,121.16x = 12,698,028.82
  5. Step 5: Solve for x
    x = 12,698,028.82/4,121.16
  6. Step 6: Final answer
    x = 3,081.18

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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.