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Finding the Fourth Proportional to 5,255.54, 7,254.90 and 3,760.88

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Solution

The fourth proportional to 5,255.54, 7,254.90 and 3,760.88 is: 5,191.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.54 : 7,254.90 = 3,760.88 : x
  2. Step 2: Convert to fraction form
    5,255.54/7,254.90 = 3,760.88/x
  3. Step 3: Cross multiply
    5,255.54x = 7,254.90 × 3,760.88
  4. Step 4: Simplify right side
    5,255.54x = 27,284,808.31
  5. Step 5: Solve for x
    x = 27,284,808.31/5,255.54
  6. Step 6: Final answer
    x = 5,191.63

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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.