Home / 6,692.78-10,045.29-3,408.14

Finding the Fourth Proportional to 6,692.78, 10,045.29 and 3,408.14

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Solution

The fourth proportional to 6,692.78, 10,045.29 and 3,408.14 is: 5,115.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,692.78 : 10,045.29 = 3,408.14 : x
  2. Step 2: Convert to fraction form
    6,692.78/10,045.29 = 3,408.14/x
  3. Step 3: Cross multiply
    6,692.78x = 10,045.29 × 3,408.14
  4. Step 4: Simplify right side
    6,692.78x = 34,235,754.66
  5. Step 5: Solve for x
    x = 34,235,754.66/6,692.78
  6. Step 6: Final answer
    x = 5,115.33

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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.