Home / 5,240.42-7,229.68-3,351.56

Finding the Fourth Proportional to 5,240.42, 7,229.68 and 3,351.56

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Solution

The fourth proportional to 5,240.42, 7,229.68 and 3,351.56 is: 4,623.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.42 : 7,229.68 = 3,351.56 : x
  2. Step 2: Convert to fraction form
    5,240.42/7,229.68 = 3,351.56/x
  3. Step 3: Cross multiply
    5,240.42x = 7,229.68 × 3,351.56
  4. Step 4: Simplify right side
    5,240.42x = 24,230,716.00
  5. Step 5: Solve for x
    x = 24,230,716.00/5,240.42
  6. Step 6: Final answer
    x = 4,623.82

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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.