Home / 5,765.30-7,950.80-3,847.73

Finding the Fourth Proportional to 5,765.30, 7,950.80 and 3,847.73

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Solution

The fourth proportional to 5,765.30, 7,950.80 and 3,847.73 is: 5,306.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.30 : 7,950.80 = 3,847.73 : x
  2. Step 2: Convert to fraction form
    5,765.30/7,950.80 = 3,847.73/x
  3. Step 3: Cross multiply
    5,765.30x = 7,950.80 × 3,847.73
  4. Step 4: Simplify right side
    5,765.30x = 30,592,561.18
  5. Step 5: Solve for x
    x = 30,592,561.18/5,765.30
  6. Step 6: Final answer
    x = 5,306.33

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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.