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Finding the Fourth Proportional to 5,241.52, 7,230.80 and 3,251.32

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Solution

The fourth proportional to 5,241.52, 7,230.80 and 3,251.32 is: 4,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.52 : 7,230.80 = 3,251.32 : x
  2. Step 2: Convert to fraction form
    5,241.52/7,230.80 = 3,251.32/x
  3. Step 3: Cross multiply
    5,241.52x = 7,230.80 × 3,251.32
  4. Step 4: Simplify right side
    5,241.52x = 23,509,644.66
  5. Step 5: Solve for x
    x = 23,509,644.66/5,241.52
  6. Step 6: Final answer
    x = 4,485.27

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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.