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Finding the Fourth Proportional to 3,754.85, 5,181.85 and 2,339.37

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Solution

The fourth proportional to 3,754.85, 5,181.85 and 2,339.37 is: 3,228.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.85 : 5,181.85 = 2,339.37 : x
  2. Step 2: Convert to fraction form
    3,754.85/5,181.85 = 2,339.37/x
  3. Step 3: Cross multiply
    3,754.85x = 5,181.85 × 2,339.37
  4. Step 4: Simplify right side
    3,754.85x = 12,122,267.36
  5. Step 5: Solve for x
    x = 12,122,267.36/3,754.85
  6. Step 6: Final answer
    x = 3,228.43

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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.