Home / 3,614.26-5,428.68-2,156.26

Finding the Fourth Proportional to 3,614.26, 5,428.68 and 2,156.26

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Solution

The fourth proportional to 3,614.26, 5,428.68 and 2,156.26 is: 3,238.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.26 : 5,428.68 = 2,156.26 : x
  2. Step 2: Convert to fraction form
    3,614.26/5,428.68 = 2,156.26/x
  3. Step 3: Cross multiply
    3,614.26x = 5,428.68 × 2,156.26
  4. Step 4: Simplify right side
    3,614.26x = 11,705,645.54
  5. Step 5: Solve for x
    x = 11,705,645.54/3,614.26
  6. Step 6: Final answer
    x = 3,238.74

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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.