Home / 2,581.24-3,872.94-850.04

Finding the Fourth Proportional to 2,581.24, 3,872.94 and 850.04

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Solution

The fourth proportional to 2,581.24, 3,872.94 and 850.04 is: 1,275.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.24 : 3,872.94 = 850.04 : x
  2. Step 2: Convert to fraction form
    2,581.24/3,872.94 = 850.04/x
  3. Step 3: Cross multiply
    2,581.24x = 3,872.94 × 850.04
  4. Step 4: Simplify right side
    2,581.24x = 3,292,153.92
  5. Step 5: Solve for x
    x = 3,292,153.92/2,581.24
  6. Step 6: Final answer
    x = 1,275.42

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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.