Home / 5,067.50-7,601.20-2,145.38

Finding the Fourth Proportional to 5,067.50, 7,601.20 and 2,145.38

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Solution

The fourth proportional to 5,067.50, 7,601.20 and 2,145.38 is: 3,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,067.50 : 7,601.20 = 2,145.38 : x
  2. Step 2: Convert to fraction form
    5,067.50/7,601.20 = 2,145.38/x
  3. Step 3: Cross multiply
    5,067.50x = 7,601.20 × 2,145.38
  4. Step 4: Simplify right side
    5,067.50x = 16,307,419.09
  5. Step 5: Solve for x
    x = 16,307,419.09/5,067.50
  6. Step 6: Final answer
    x = 3,218.04

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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.