Home / 6,212.50-8,573.82-3,418.54

Finding the Fourth Proportional to 6,212.50, 8,573.82 and 3,418.54

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Solution

The fourth proportional to 6,212.50, 8,573.82 and 3,418.54 is: 4,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.50 : 8,573.82 = 3,418.54 : x
  2. Step 2: Convert to fraction form
    6,212.50/8,573.82 = 3,418.54/x
  3. Step 3: Cross multiply
    6,212.50x = 8,573.82 × 3,418.54
  4. Step 4: Simplify right side
    6,212.50x = 29,309,946.62
  5. Step 5: Solve for x
    x = 29,309,946.62/6,212.50
  6. Step 6: Final answer
    x = 4,717.90

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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.