Home / 7,115.52-10,675.38-2,954.82

Finding the Fourth Proportional to 7,115.52, 10,675.38 and 2,954.82

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Solution

The fourth proportional to 7,115.52, 10,675.38 and 2,954.82 is: 4,433.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.52 : 10,675.38 = 2,954.82 : x
  2. Step 2: Convert to fraction form
    7,115.52/10,675.38 = 2,954.82/x
  3. Step 3: Cross multiply
    7,115.52x = 10,675.38 × 2,954.82
  4. Step 4: Simplify right side
    7,115.52x = 31,543,826.33
  5. Step 5: Solve for x
    x = 31,543,826.33/7,115.52
  6. Step 6: Final answer
    x = 4,433.10

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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.