Home / 7,174.31-10,766.03-3,278.82

Finding the Fourth Proportional to 7,174.31, 10,766.03 and 3,278.82

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Solution

The fourth proportional to 7,174.31, 10,766.03 and 3,278.82 is: 4,920.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174.31 : 10,766.03 = 3,278.82 : x
  2. Step 2: Convert to fraction form
    7,174.31/10,766.03 = 3,278.82/x
  3. Step 3: Cross multiply
    7,174.31x = 10,766.03 × 3,278.82
  4. Step 4: Simplify right side
    7,174.31x = 35,299,858.09
  5. Step 5: Solve for x
    x = 35,299,858.09/7,174.31
  6. Step 6: Final answer
    x = 4,920.31

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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.