Home / 5,222.97-7,834.86-2,261.61

Finding the Fourth Proportional to 5,222.97, 7,834.86 and 2,261.61

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Solution

The fourth proportional to 5,222.97, 7,834.86 and 2,261.61 is: 3,392.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.97 : 7,834.86 = 2,261.61 : x
  2. Step 2: Convert to fraction form
    5,222.97/7,834.86 = 2,261.61/x
  3. Step 3: Cross multiply
    5,222.97x = 7,834.86 × 2,261.61
  4. Step 4: Simplify right side
    5,222.97x = 17,719,397.72
  5. Step 5: Solve for x
    x = 17,719,397.72/5,222.97
  6. Step 6: Final answer
    x = 3,392.59

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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.