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Finding the Fourth Proportional to 5,987.62, 8,260.62 and 3,748.54

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Solution

The fourth proportional to 5,987.62, 8,260.62 and 3,748.54 is: 5,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.62 : 8,260.62 = 3,748.54 : x
  2. Step 2: Convert to fraction form
    5,987.62/8,260.62 = 3,748.54/x
  3. Step 3: Cross multiply
    5,987.62x = 8,260.62 × 3,748.54
  4. Step 4: Simplify right side
    5,987.62x = 30,965,264.49
  5. Step 5: Solve for x
    x = 30,965,264.49/5,987.62
  6. Step 6: Final answer
    x = 5,171.55

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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.