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Finding the Fourth Proportional to 5,339.89, 7,366.09 and 3,745.88

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Solution

The fourth proportional to 5,339.89, 7,366.09 and 3,745.88 is: 5,167.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.89 : 7,366.09 = 3,745.88 : x
  2. Step 2: Convert to fraction form
    5,339.89/7,366.09 = 3,745.88/x
  3. Step 3: Cross multiply
    5,339.89x = 7,366.09 × 3,745.88
  4. Step 4: Simplify right side
    5,339.89x = 27,592,508.74
  5. Step 5: Solve for x
    x = 27,592,508.74/5,339.89
  6. Step 6: Final answer
    x = 5,167.25

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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.