Home / 5,240.96-7,234.21-3,357.61

Finding the Fourth Proportional to 5,240.96, 7,234.21 and 3,357.61

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Solution

The fourth proportional to 5,240.96, 7,234.21 and 3,357.61 is: 4,634.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.96 : 7,234.21 = 3,357.61 : x
  2. Step 2: Convert to fraction form
    5,240.96/7,234.21 = 3,357.61/x
  3. Step 3: Cross multiply
    5,240.96x = 7,234.21 × 3,357.61
  4. Step 4: Simplify right side
    5,240.96x = 24,289,641.95
  5. Step 5: Solve for x
    x = 24,289,641.95/5,240.96
  6. Step 6: Final answer
    x = 4,634.58

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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.