Home / 5,486.16-8,230.68-2,199.36

Finding the Fourth Proportional to 5,486.16, 8,230.68 and 2,199.36

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Solution

The fourth proportional to 5,486.16, 8,230.68 and 2,199.36 is: 3,299.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.16 : 8,230.68 = 2,199.36 : x
  2. Step 2: Convert to fraction form
    5,486.16/8,230.68 = 2,199.36/x
  3. Step 3: Cross multiply
    5,486.16x = 8,230.68 × 2,199.36
  4. Step 4: Simplify right side
    5,486.16x = 18,102,228.36
  5. Step 5: Solve for x
    x = 18,102,228.36/5,486.16
  6. Step 6: Final answer
    x = 3,299.62

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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.