Home / 5,326.75-7,990.11-2,862.73

Finding the Fourth Proportional to 5,326.75, 7,990.11 and 2,862.73

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Solution

The fourth proportional to 5,326.75, 7,990.11 and 2,862.73 is: 4,294.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.75 : 7,990.11 = 2,862.73 : x
  2. Step 2: Convert to fraction form
    5,326.75/7,990.11 = 2,862.73/x
  3. Step 3: Cross multiply
    5,326.75x = 7,990.11 × 2,862.73
  4. Step 4: Simplify right side
    5,326.75x = 22,873,487.65
  5. Step 5: Solve for x
    x = 22,873,487.65/5,326.75
  6. Step 6: Final answer
    x = 4,294.08

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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.