Home / 3,496.20-5,240.76-2,198.56

Finding the Fourth Proportional to 3,496.20, 5,240.76 and 2,198.56

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Solution

The fourth proportional to 3,496.20, 5,240.76 and 2,198.56 is: 3,295.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,496.20 : 5,240.76 = 2,198.56 : x
  2. Step 2: Convert to fraction form
    3,496.20/5,240.76 = 2,198.56/x
  3. Step 3: Cross multiply
    3,496.20x = 5,240.76 × 2,198.56
  4. Step 4: Simplify right side
    3,496.20x = 11,522,125.31
  5. Step 5: Solve for x
    x = 11,522,125.31/3,496.20
  6. Step 6: Final answer
    x = 3,295.61

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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.