Home / 4,917-6,791.30-3,342.44

Finding the Fourth Proportional to 4,917, 6,791.30 and 3,342.44

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Solution

The fourth proportional to 4,917, 6,791.30 and 3,342.44 is: 4,616.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917 : 6,791.30 = 3,342.44 : x
  2. Step 2: Convert to fraction form
    4,917/6,791.30 = 3,342.44/x
  3. Step 3: Cross multiply
    4,917x = 6,791.30 × 3,342.44
  4. Step 4: Simplify right side
    4,917x = 22,699,512.77
  5. Step 5: Solve for x
    x = 22,699,512.77/4,917
  6. Step 6: Final answer
    x = 4,616.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.