Home / 5,198.87-7,174.64-2,841.03

Finding the Fourth Proportional to 5,198.87, 7,174.64 and 2,841.03

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Solution

The fourth proportional to 5,198.87, 7,174.64 and 2,841.03 is: 3,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.87 : 7,174.64 = 2,841.03 : x
  2. Step 2: Convert to fraction form
    5,198.87/7,174.64 = 2,841.03/x
  3. Step 3: Cross multiply
    5,198.87x = 7,174.64 × 2,841.03
  4. Step 4: Simplify right side
    5,198.87x = 20,383,367.48
  5. Step 5: Solve for x
    x = 20,383,367.48/5,198.87
  6. Step 6: Final answer
    x = 3,920.73

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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.