Home / 5,132.16-7,081.92-2,893.44

Finding the Fourth Proportional to 5,132.16, 7,081.92 and 2,893.44

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Solution

The fourth proportional to 5,132.16, 7,081.92 and 2,893.44 is: 3,992.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.16 : 7,081.92 = 2,893.44 : x
  2. Step 2: Convert to fraction form
    5,132.16/7,081.92 = 2,893.44/x
  3. Step 3: Cross multiply
    5,132.16x = 7,081.92 × 2,893.44
  4. Step 4: Simplify right side
    5,132.16x = 20,491,110.60
  5. Step 5: Solve for x
    x = 20,491,110.60/5,132.16
  6. Step 6: Final answer
    x = 3,992.69

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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.