Home / 3,481.72-5,222.55-2,792.71

Finding the Fourth Proportional to 3,481.72, 5,222.55 and 2,792.71

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Solution

The fourth proportional to 3,481.72, 5,222.55 and 2,792.71 is: 4,189.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.72 : 5,222.55 = 2,792.71 : x
  2. Step 2: Convert to fraction form
    3,481.72/5,222.55 = 2,792.71/x
  3. Step 3: Cross multiply
    3,481.72x = 5,222.55 × 2,792.71
  4. Step 4: Simplify right side
    3,481.72x = 14,585,067.61
  5. Step 5: Solve for x
    x = 14,585,067.61/3,481.72
  6. Step 6: Final answer
    x = 4,189.04

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1.5x scale

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.