Home / 5,692.92-8,539.99-2,185.90

Finding the Fourth Proportional to 5,692.92, 8,539.99 and 2,185.90

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Solution

The fourth proportional to 5,692.92, 8,539.99 and 2,185.90 is: 3,279.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,692.92 : 8,539.99 = 2,185.90 : x
  2. Step 2: Convert to fraction form
    5,692.92/8,539.99 = 2,185.90/x
  3. Step 3: Cross multiply
    5,692.92x = 8,539.99 × 2,185.90
  4. Step 4: Simplify right side
    5,692.92x = 18,667,564.71
  5. Step 5: Solve for x
    x = 18,667,564.71/5,692.92
  6. Step 6: Final answer
    x = 3,279.08

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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.