Home / 5,486.82-8,230.85-2,200.25

Finding the Fourth Proportional to 5,486.82, 8,230.85 and 2,200.25

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Solution

The fourth proportional to 5,486.82, 8,230.85 and 2,200.25 is: 3,300.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.82 : 8,230.85 = 2,200.25 : x
  2. Step 2: Convert to fraction form
    5,486.82/8,230.85 = 2,200.25/x
  3. Step 3: Cross multiply
    5,486.82x = 8,230.85 × 2,200.25
  4. Step 4: Simplify right side
    5,486.82x = 18,109,875.56
  5. Step 5: Solve for x
    x = 18,109,875.56/5,486.82
  6. Step 6: Final answer
    x = 3,300.61

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1.5x scale

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.