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Finding the Fourth Proportional to 2,592.86, 3,889.28 and 1,553.18

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Solution

The fourth proportional to 2,592.86, 3,889.28 and 1,553.18 is: 2,329.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592.86 : 3,889.28 = 1,553.18 : x
  2. Step 2: Convert to fraction form
    2,592.86/3,889.28 = 1,553.18/x
  3. Step 3: Cross multiply
    2,592.86x = 3,889.28 × 1,553.18
  4. Step 4: Simplify right side
    2,592.86x = 6,040,736.35
  5. Step 5: Solve for x
    x = 6,040,736.35/2,592.86
  6. Step 6: Final answer
    x = 2,329.76

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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.