Home / 5,354.73-8,028.18-2,578.41

Finding the Fourth Proportional to 5,354.73, 8,028.18 and 2,578.41

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Solution

The fourth proportional to 5,354.73, 8,028.18 and 2,578.41 is: 3,865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.73 : 8,028.18 = 2,578.41 : x
  2. Step 2: Convert to fraction form
    5,354.73/8,028.18 = 2,578.41/x
  3. Step 3: Cross multiply
    5,354.73x = 8,028.18 × 2,578.41
  4. Step 4: Simplify right side
    5,354.73x = 20,699,939.59
  5. Step 5: Solve for x
    x = 20,699,939.59/5,354.73
  6. Step 6: Final answer
    x = 3,865.73

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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.