Home / 4,121.74-5,687.96-2,233.28

Finding the Fourth Proportional to 4,121.74, 5,687.96 and 2,233.28

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Solution

The fourth proportional to 4,121.74, 5,687.96 and 2,233.28 is: 3,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.74 : 5,687.96 = 2,233.28 : x
  2. Step 2: Convert to fraction form
    4,121.74/5,687.96 = 2,233.28/x
  3. Step 3: Cross multiply
    4,121.74x = 5,687.96 × 2,233.28
  4. Step 4: Simplify right side
    4,121.74x = 12,702,767.70
  5. Step 5: Solve for x
    x = 12,702,767.70/4,121.74
  6. Step 6: Final answer
    x = 3,081.90

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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.