Home / 7,931.52-11,889.99-2,733.75

Finding the Fourth Proportional to 7,931.52, 11,889.99 and 2,733.75

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Solution

The fourth proportional to 7,931.52, 11,889.99 and 2,733.75 is: 4,098.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.52 : 11,889.99 = 2,733.75 : x
  2. Step 2: Convert to fraction form
    7,931.52/11,889.99 = 2,733.75/x
  3. Step 3: Cross multiply
    7,931.52x = 11,889.99 × 2,733.75
  4. Step 4: Simplify right side
    7,931.52x = 32,504,260.16
  5. Step 5: Solve for x
    x = 32,504,260.16/7,931.52
  6. Step 6: Final answer
    x = 4,098.11

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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.