Home / 5,198.18-7,168.53-3,402.98

Finding the Fourth Proportional to 5,198.18, 7,168.53 and 3,402.98

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Solution

The fourth proportional to 5,198.18, 7,168.53 and 3,402.98 is: 4,692.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.18 : 7,168.53 = 3,402.98 : x
  2. Step 2: Convert to fraction form
    5,198.18/7,168.53 = 3,402.98/x
  3. Step 3: Cross multiply
    5,198.18x = 7,168.53 × 3,402.98
  4. Step 4: Simplify right side
    5,198.18x = 24,394,364.22
  5. Step 5: Solve for x
    x = 24,394,364.22/5,198.18
  6. Step 6: Final answer
    x = 4,692.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.