Home / 3,408.14-5,110.10-3,118.10

Finding the Fourth Proportional to 3,408.14, 5,110.10 and 3,118.10

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Solution

The fourth proportional to 3,408.14, 5,110.10 and 3,118.10 is: 4,675.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.14 : 5,110.10 = 3,118.10 : x
  2. Step 2: Convert to fraction form
    3,408.14/5,110.10 = 3,118.10/x
  3. Step 3: Cross multiply
    3,408.14x = 5,110.10 × 3,118.10
  4. Step 4: Simplify right side
    3,408.14x = 15,933,761.67
  5. Step 5: Solve for x
    x = 15,933,761.67/3,408.14
  6. Step 6: Final answer
    x = 4,675.21

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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.