Home / 4,067.37-5,616.15-3,121.66

Finding the Fourth Proportional to 4,067.37, 5,616.15 and 3,121.66

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Solution

The fourth proportional to 4,067.37, 5,616.15 and 3,121.66 is: 4,310.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,067.37 : 5,616.15 = 3,121.66 : x
  2. Step 2: Convert to fraction form
    4,067.37/5,616.15 = 3,121.66/x
  3. Step 3: Cross multiply
    4,067.37x = 5,616.15 × 3,121.66
  4. Step 4: Simplify right side
    4,067.37x = 17,531,695.20
  5. Step 5: Solve for x
    x = 17,531,695.20/4,067.37
  6. Step 6: Final answer
    x = 4,310.33

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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.