Home / 3,616.19-4,990.30-2,022.89

Finding the Fourth Proportional to 3,616.19, 4,990.30 and 2,022.89

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Solution

The fourth proportional to 3,616.19, 4,990.30 and 2,022.89 is: 2,791.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.19 : 4,990.30 = 2,022.89 : x
  2. Step 2: Convert to fraction form
    3,616.19/4,990.30 = 2,022.89/x
  3. Step 3: Cross multiply
    3,616.19x = 4,990.30 × 2,022.89
  4. Step 4: Simplify right side
    3,616.19x = 10,094,797.96
  5. Step 5: Solve for x
    x = 10,094,797.96/3,616.19
  6. Step 6: Final answer
    x = 2,791.56

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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.