Home / 3,481.27-5,220.19-1,724.24

Finding the Fourth Proportional to 3,481.27, 5,220.19 and 1,724.24

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Solution

The fourth proportional to 3,481.27, 5,220.19 and 1,724.24 is: 2,585.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.27 : 5,220.19 = 1,724.24 : x
  2. Step 2: Convert to fraction form
    3,481.27/5,220.19 = 1,724.24/x
  3. Step 3: Cross multiply
    3,481.27x = 5,220.19 × 1,724.24
  4. Step 4: Simplify right side
    3,481.27x = 9,000,860.41
  5. Step 5: Solve for x
    x = 9,000,860.41/3,481.27
  6. Step 6: Final answer
    x = 2,585.51

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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.