Home / 2,198.13-3,297.18-737.28

Finding the Fourth Proportional to 2,198.13, 3,297.18 and 737.28

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Solution

The fourth proportional to 2,198.13, 3,297.18 and 737.28 is: 1,105.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.13 : 3,297.18 = 737.28 : x
  2. Step 2: Convert to fraction form
    2,198.13/3,297.18 = 737.28/x
  3. Step 3: Cross multiply
    2,198.13x = 3,297.18 × 737.28
  4. Step 4: Simplify right side
    2,198.13x = 2,430,944.87
  5. Step 5: Solve for x
    x = 2,430,944.87/2,198.13
  6. Step 6: Final answer
    x = 1,105.91

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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.