Home / 3,631.50-5,012.20-2,059.90

Finding the Fourth Proportional to 3,631.50, 5,012.20 and 2,059.90

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Solution

The fourth proportional to 3,631.50, 5,012.20 and 2,059.90 is: 2,843.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.50 : 5,012.20 = 2,059.90 : x
  2. Step 2: Convert to fraction form
    3,631.50/5,012.20 = 2,059.90/x
  3. Step 3: Cross multiply
    3,631.50x = 5,012.20 × 2,059.90
  4. Step 4: Simplify right side
    3,631.50x = 10,324,630.78
  5. Step 5: Solve for x
    x = 10,324,630.78/3,631.50
  6. Step 6: Final answer
    x = 2,843.08

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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.