Home / 5,612.13-7,744.28-3,254.42

Finding the Fourth Proportional to 5,612.13, 7,744.28 and 3,254.42

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Solution

The fourth proportional to 5,612.13, 7,744.28 and 3,254.42 is: 4,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.13 : 7,744.28 = 3,254.42 : x
  2. Step 2: Convert to fraction form
    5,612.13/7,744.28 = 3,254.42/x
  3. Step 3: Cross multiply
    5,612.13x = 7,744.28 × 3,254.42
  4. Step 4: Simplify right side
    5,612.13x = 25,203,139.72
  5. Step 5: Solve for x
    x = 25,203,139.72/5,612.13
  6. Step 6: Final answer
    x = 4,490.83

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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.