Home / 4,147.62-5,721.97-2,747.94

Finding the Fourth Proportional to 4,147.62, 5,721.97 and 2,747.94

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Solution

The fourth proportional to 4,147.62, 5,721.97 and 2,747.94 is: 3,791.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.62 : 5,721.97 = 2,747.94 : x
  2. Step 2: Convert to fraction form
    4,147.62/5,721.97 = 2,747.94/x
  3. Step 3: Cross multiply
    4,147.62x = 5,721.97 × 2,747.94
  4. Step 4: Simplify right side
    4,147.62x = 15,723,630.24
  5. Step 5: Solve for x
    x = 15,723,630.24/4,147.62
  6. Step 6: Final answer
    x = 3,791.00

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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.