Home / 5,120.86-7,668.97-3,472.41

Finding the Fourth Proportional to 5,120.86, 7,668.97 and 3,472.41

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Solution

The fourth proportional to 5,120.86, 7,668.97 and 3,472.41 is: 5,200.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120.86 : 7,668.97 = 3,472.41 : x
  2. Step 2: Convert to fraction form
    5,120.86/7,668.97 = 3,472.41/x
  3. Step 3: Cross multiply
    5,120.86x = 7,668.97 × 3,472.41
  4. Step 4: Simplify right side
    5,120.86x = 26,629,808.12
  5. Step 5: Solve for x
    x = 26,629,808.12/5,120.86
  6. Step 6: Final answer
    x = 5,200.26

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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.