Home / 5,427.66-8,137.52-3,668.28

Finding the Fourth Proportional to 5,427.66, 8,137.52 and 3,668.28

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Solution

The fourth proportional to 5,427.66, 8,137.52 and 3,668.28 is: 5,499.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.66 : 8,137.52 = 3,668.28 : x
  2. Step 2: Convert to fraction form
    5,427.66/8,137.52 = 3,668.28/x
  3. Step 3: Cross multiply
    5,427.66x = 8,137.52 × 3,668.28
  4. Step 4: Simplify right side
    5,427.66x = 29,850,683.52
  5. Step 5: Solve for x
    x = 29,850,683.52/5,427.66
  6. Step 6: Final answer
    x = 5,499.73

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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.