Home / 3,169.46-4,369.20-2,222.39

Finding the Fourth Proportional to 3,169.46, 4,369.20 and 2,222.39

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Solution

The fourth proportional to 3,169.46, 4,369.20 and 2,222.39 is: 3,063.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.46 : 4,369.20 = 2,222.39 : x
  2. Step 2: Convert to fraction form
    3,169.46/4,369.20 = 2,222.39/x
  3. Step 3: Cross multiply
    3,169.46x = 4,369.20 × 2,222.39
  4. Step 4: Simplify right side
    3,169.46x = 9,710,044.54
  5. Step 5: Solve for x
    x = 9,710,044.54/3,169.46
  6. Step 6: Final answer
    x = 3,063.62

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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.