Home / 2,752.53-4,123.20-2,198.18

Finding the Fourth Proportional to 2,752.53, 4,123.20 and 2,198.18

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Solution

The fourth proportional to 2,752.53, 4,123.20 and 2,198.18 is: 3,292.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.53 : 4,123.20 = 2,198.18 : x
  2. Step 2: Convert to fraction form
    2,752.53/4,123.20 = 2,198.18/x
  3. Step 3: Cross multiply
    2,752.53x = 4,123.20 × 2,198.18
  4. Step 4: Simplify right side
    2,752.53x = 9,063,515.16
  5. Step 5: Solve for x
    x = 9,063,515.16/2,752.53
  6. Step 6: Final answer
    x = 3,292.79

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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.