Home / 7,261.29-10,872.33-3,791.25

Finding the Fourth Proportional to 7,261.29, 10,872.33 and 3,791.25

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Solution

The fourth proportional to 7,261.29, 10,872.33 and 3,791.25 is: 5,676.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.29 : 10,872.33 = 3,791.25 : x
  2. Step 2: Convert to fraction form
    7,261.29/10,872.33 = 3,791.25/x
  3. Step 3: Cross multiply
    7,261.29x = 10,872.33 × 3,791.25
  4. Step 4: Simplify right side
    7,261.29x = 41,219,721.11
  5. Step 5: Solve for x
    x = 41,219,721.11/7,261.29
  6. Step 6: Final answer
    x = 5,676.64

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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.