Home / 7,922.57-11,882.95-2,079.63

Finding the Fourth Proportional to 7,922.57, 11,882.95 and 2,079.63

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Solution

The fourth proportional to 7,922.57, 11,882.95 and 2,079.63 is: 3,119.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.57 : 11,882.95 = 2,079.63 : x
  2. Step 2: Convert to fraction form
    7,922.57/11,882.95 = 2,079.63/x
  3. Step 3: Cross multiply
    7,922.57x = 11,882.95 × 2,079.63
  4. Step 4: Simplify right side
    7,922.57x = 24,712,134.11
  5. Step 5: Solve for x
    x = 24,712,134.11/7,922.57
  6. Step 6: Final answer
    x = 3,119.21

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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.