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Finding the Fourth Proportional to 3,992.38, 5,993.88 and 2,588.75

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Solution

The fourth proportional to 3,992.38, 5,993.88 and 2,588.75 is: 3,886.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.38 : 5,993.88 = 2,588.75 : x
  2. Step 2: Convert to fraction form
    3,992.38/5,993.88 = 2,588.75/x
  3. Step 3: Cross multiply
    3,992.38x = 5,993.88 × 2,588.75
  4. Step 4: Simplify right side
    3,992.38x = 15,516,656.85
  5. Step 5: Solve for x
    x = 15,516,656.85/3,992.38
  6. Step 6: Final answer
    x = 3,886.57

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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.