Home / 3,921.33-5,411.71-2,592.73

Finding the Fourth Proportional to 3,921.33, 5,411.71 and 2,592.73

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Solution

The fourth proportional to 3,921.33, 5,411.71 and 2,592.73 is: 3,578.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.33 : 5,411.71 = 2,592.73 : x
  2. Step 2: Convert to fraction form
    3,921.33/5,411.71 = 2,592.73/x
  3. Step 3: Cross multiply
    3,921.33x = 5,411.71 × 2,592.73
  4. Step 4: Simplify right side
    3,921.33x = 14,031,102.87
  5. Step 5: Solve for x
    x = 14,031,102.87/3,921.33
  6. Step 6: Final answer
    x = 3,578.15

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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.