Home / 3,770.38-5,202.75-2,198.08

Finding the Fourth Proportional to 3,770.38, 5,202.75 and 2,198.08

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Solution

The fourth proportional to 3,770.38, 5,202.75 and 2,198.08 is: 3,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.38 : 5,202.75 = 2,198.08 : x
  2. Step 2: Convert to fraction form
    3,770.38/5,202.75 = 2,198.08/x
  3. Step 3: Cross multiply
    3,770.38x = 5,202.75 × 2,198.08
  4. Step 4: Simplify right side
    3,770.38x = 11,436,060.72
  5. Step 5: Solve for x
    x = 11,436,060.72/3,770.38
  6. Step 6: Final answer
    x = 3,033.13

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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.