Home / 3,879.21-5,349.33-3,452.52

Finding the Fourth Proportional to 3,879.21, 5,349.33 and 3,452.52

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Solution

The fourth proportional to 3,879.21, 5,349.33 and 3,452.52 is: 4,760.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879.21 : 5,349.33 = 3,452.52 : x
  2. Step 2: Convert to fraction form
    3,879.21/5,349.33 = 3,452.52/x
  3. Step 3: Cross multiply
    3,879.21x = 5,349.33 × 3,452.52
  4. Step 4: Simplify right side
    3,879.21x = 18,468,668.81
  5. Step 5: Solve for x
    x = 18,468,668.81/3,879.21
  6. Step 6: Final answer
    x = 4,760.94

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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.