Home / 5,200.88-7,801.31-2,082.29

Finding the Fourth Proportional to 5,200.88, 7,801.31 and 2,082.29

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Solution

The fourth proportional to 5,200.88, 7,801.31 and 2,082.29 is: 3,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.88 : 7,801.31 = 2,082.29 : x
  2. Step 2: Convert to fraction form
    5,200.88/7,801.31 = 2,082.29/x
  3. Step 3: Cross multiply
    5,200.88x = 7,801.31 × 2,082.29
  4. Step 4: Simplify right side
    5,200.88x = 16,244,556.00
  5. Step 5: Solve for x
    x = 16,244,556.00/5,200.88
  6. Step 6: Final answer
    x = 3,123.43

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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.