Home / 5,515.35-8,272.73-3,407.37

Finding the Fourth Proportional to 5,515.35, 8,272.73 and 3,407.37

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Solution

The fourth proportional to 5,515.35, 8,272.73 and 3,407.37 is: 5,110.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.35 : 8,272.73 = 3,407.37 : x
  2. Step 2: Convert to fraction form
    5,515.35/8,272.73 = 3,407.37/x
  3. Step 3: Cross multiply
    5,515.35x = 8,272.73 × 3,407.37
  4. Step 4: Simplify right side
    5,515.35x = 28,188,234.98
  5. Step 5: Solve for x
    x = 28,188,234.98/5,515.35
  6. Step 6: Final answer
    x = 5,110.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.