Home / 3,542.82-5,306.93-2,078.44

Finding the Fourth Proportional to 3,542.82, 5,306.93 and 2,078.44

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Solution

The fourth proportional to 3,542.82, 5,306.93 and 2,078.44 is: 3,113.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.82 : 5,306.93 = 2,078.44 : x
  2. Step 2: Convert to fraction form
    3,542.82/5,306.93 = 2,078.44/x
  3. Step 3: Cross multiply
    3,542.82x = 5,306.93 × 2,078.44
  4. Step 4: Simplify right side
    3,542.82x = 11,030,119.72
  5. Step 5: Solve for x
    x = 11,030,119.72/3,542.82
  6. Step 6: Final answer
    x = 3,113.38

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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.