Home / 5,692.43-8,535.68-2,181.39

Finding the Fourth Proportional to 5,692.43, 8,535.68 and 2,181.39

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Solution

The fourth proportional to 5,692.43, 8,535.68 and 2,181.39 is: 3,270.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,692.43 : 8,535.68 = 2,181.39 : x
  2. Step 2: Convert to fraction form
    5,692.43/8,535.68 = 2,181.39/x
  3. Step 3: Cross multiply
    5,692.43x = 8,535.68 × 2,181.39
  4. Step 4: Simplify right side
    5,692.43x = 18,619,652.45
  5. Step 5: Solve for x
    x = 18,619,652.45/5,692.43
  6. Step 6: Final answer
    x = 3,270.95

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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.