Home / 7,859.15-11,790.28-2,593.95

Finding the Fourth Proportional to 7,859.15, 11,790.28 and 2,593.95

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Solution

The fourth proportional to 7,859.15, 11,790.28 and 2,593.95 is: 3,891.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859.15 : 11,790.28 = 2,593.95 : x
  2. Step 2: Convert to fraction form
    7,859.15/11,790.28 = 2,593.95/x
  3. Step 3: Cross multiply
    7,859.15x = 11,790.28 × 2,593.95
  4. Step 4: Simplify right side
    7,859.15x = 30,583,407.56
  5. Step 5: Solve for x
    x = 30,583,407.56/7,859.15
  6. Step 6: Final answer
    x = 3,891.44

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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.