Home / 4,480.79-6,721.33-3,442.37

Finding the Fourth Proportional to 4,480.79, 6,721.33 and 3,442.37

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Solution

The fourth proportional to 4,480.79, 6,721.33 and 3,442.37 is: 5,163.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.79 : 6,721.33 = 3,442.37 : x
  2. Step 2: Convert to fraction form
    4,480.79/6,721.33 = 3,442.37/x
  3. Step 3: Cross multiply
    4,480.79x = 6,721.33 × 3,442.37
  4. Step 4: Simplify right side
    4,480.79x = 23,137,262.54
  5. Step 5: Solve for x
    x = 23,137,262.54/4,480.79
  6. Step 6: Final answer
    x = 5,163.66

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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.