Home / 7,272.75-10,910.14-2,591.38

Finding the Fourth Proportional to 7,272.75, 10,910.14 and 2,591.38

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Solution

The fourth proportional to 7,272.75, 10,910.14 and 2,591.38 is: 3,887.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.75 : 10,910.14 = 2,591.38 : x
  2. Step 2: Convert to fraction form
    7,272.75/10,910.14 = 2,591.38/x
  3. Step 3: Cross multiply
    7,272.75x = 10,910.14 × 2,591.38
  4. Step 4: Simplify right side
    7,272.75x = 28,272,325.75
  5. Step 5: Solve for x
    x = 28,272,325.75/7,272.75
  6. Step 6: Final answer
    x = 3,887.43

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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.