Home / 7,908.52-11,863.98-2,715.88

Finding the Fourth Proportional to 7,908.52, 11,863.98 and 2,715.88

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Solution

The fourth proportional to 7,908.52, 11,863.98 and 2,715.88 is: 4,074.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.52 : 11,863.98 = 2,715.88 : x
  2. Step 2: Convert to fraction form
    7,908.52/11,863.98 = 2,715.88/x
  3. Step 3: Cross multiply
    7,908.52x = 11,863.98 × 2,715.88
  4. Step 4: Simplify right side
    7,908.52x = 32,221,146.00
  5. Step 5: Solve for x
    x = 32,221,146.00/7,908.52
  6. Step 6: Final answer
    x = 4,074.23

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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.