Home / 2,272.03-3,408.05-711.92

Finding the Fourth Proportional to 2,272.03, 3,408.05 and 711.92

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Solution

The fourth proportional to 2,272.03, 3,408.05 and 711.92 is: 1,067.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.03 : 3,408.05 = 711.92 : x
  2. Step 2: Convert to fraction form
    2,272.03/3,408.05 = 711.92/x
  3. Step 3: Cross multiply
    2,272.03x = 3,408.05 × 711.92
  4. Step 4: Simplify right side
    2,272.03x = 2,426,269.26
  5. Step 5: Solve for x
    x = 2,426,269.26/2,272.03
  6. Step 6: Final answer
    x = 1,067.89

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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.