Home / 5,692.16-8,540.40-2,612

Finding the Fourth Proportional to 5,692.16, 8,540.40 and 2,612

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Solution

The fourth proportional to 5,692.16, 8,540.40 and 2,612 is: 3,918.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,692.16 : 8,540.40 = 2,612 : x
  2. Step 2: Convert to fraction form
    5,692.16/8,540.40 = 2,612/x
  3. Step 3: Cross multiply
    5,692.16x = 8,540.40 × 2,612
  4. Step 4: Simplify right side
    5,692.16x = 22,307,524.80
  5. Step 5: Solve for x
    x = 22,307,524.80/5,692.16
  6. Step 6: Final answer
    x = 3,918.99

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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.