Home / 3,592.24-5,389.68-2,112.72

Finding the Fourth Proportional to 3,592.24, 5,389.68 and 2,112.72

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Solution

The fourth proportional to 3,592.24, 5,389.68 and 2,112.72 is: 3,169.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,592.24 : 5,389.68 = 2,112.72 : x
  2. Step 2: Convert to fraction form
    3,592.24/5,389.68 = 2,112.72/x
  3. Step 3: Cross multiply
    3,592.24x = 5,389.68 × 2,112.72
  4. Step 4: Simplify right side
    3,592.24x = 11,386,884.73
  5. Step 5: Solve for x
    x = 11,386,884.73/3,592.24
  6. Step 6: Final answer
    x = 3,169.86

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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.