Home / 3,996.62-5,514.68-2,228.18

Finding the Fourth Proportional to 3,996.62, 5,514.68 and 2,228.18

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Solution

The fourth proportional to 3,996.62, 5,514.68 and 2,228.18 is: 3,074.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.62 : 5,514.68 = 2,228.18 : x
  2. Step 2: Convert to fraction form
    3,996.62/5,514.68 = 2,228.18/x
  3. Step 3: Cross multiply
    3,996.62x = 5,514.68 × 2,228.18
  4. Step 4: Simplify right side
    3,996.62x = 12,287,699.68
  5. Step 5: Solve for x
    x = 12,287,699.68/3,996.62
  6. Step 6: Final answer
    x = 3,074.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.