Home / 2,198.19-3,296.88-737.31

Finding the Fourth Proportional to 2,198.19, 3,296.88 and 737.31

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Solution

The fourth proportional to 2,198.19, 3,296.88 and 737.31 is: 1,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.19 : 3,296.88 = 737.31 : x
  2. Step 2: Convert to fraction form
    2,198.19/3,296.88 = 737.31/x
  3. Step 3: Cross multiply
    2,198.19x = 3,296.88 × 737.31
  4. Step 4: Simplify right side
    2,198.19x = 2,430,822.59
  5. Step 5: Solve for x
    x = 2,430,822.59/2,198.19
  6. Step 6: Final answer
    x = 1,105.83

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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.