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Finding the Fourth Proportional to 3,937.92, 5,895.44 and 2,289.44

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Solution

The fourth proportional to 3,937.92, 5,895.44 and 2,289.44 is: 3,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.92 : 5,895.44 = 2,289.44 : x
  2. Step 2: Convert to fraction form
    3,937.92/5,895.44 = 2,289.44/x
  3. Step 3: Cross multiply
    3,937.92x = 5,895.44 × 2,289.44
  4. Step 4: Simplify right side
    3,937.92x = 13,497,256.15
  5. Step 5: Solve for x
    x = 13,497,256.15/3,937.92
  6. Step 6: Final answer
    x = 3,427.51

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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.