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Finding the Fourth Proportional to 3,951.69, 5,928.57 and 2,309.37

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Solution

The fourth proportional to 3,951.69, 5,928.57 and 2,309.37 is: 3,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.69 : 5,928.57 = 2,309.37 : x
  2. Step 2: Convert to fraction form
    3,951.69/5,928.57 = 2,309.37/x
  3. Step 3: Cross multiply
    3,951.69x = 5,928.57 × 2,309.37
  4. Step 4: Simplify right side
    3,951.69x = 13,691,261.70
  5. Step 5: Solve for x
    x = 13,691,261.70/3,951.69
  6. Step 6: Final answer
    x = 3,464.66

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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.