Home / 3,616.12-4,990.26-2,288.44

Finding the Fourth Proportional to 3,616.12, 4,990.26 and 2,288.44

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Solution

The fourth proportional to 3,616.12, 4,990.26 and 2,288.44 is: 3,158.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.12 : 4,990.26 = 2,288.44 : x
  2. Step 2: Convert to fraction form
    3,616.12/4,990.26 = 2,288.44/x
  3. Step 3: Cross multiply
    3,616.12x = 4,990.26 × 2,288.44
  4. Step 4: Simplify right side
    3,616.12x = 11,419,910.59
  5. Step 5: Solve for x
    x = 11,419,910.59/3,616.12
  6. Step 6: Final answer
    x = 3,158.06

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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.