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Finding the Fourth Proportional to 5,879.22, 8,111.88 and 3,360.57

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Solution

The fourth proportional to 5,879.22, 8,111.88 and 3,360.57 is: 4,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.22 : 8,111.88 = 3,360.57 : x
  2. Step 2: Convert to fraction form
    5,879.22/8,111.88 = 3,360.57/x
  3. Step 3: Cross multiply
    5,879.22x = 8,111.88 × 3,360.57
  4. Step 4: Simplify right side
    5,879.22x = 27,260,540.57
  5. Step 5: Solve for x
    x = 27,260,540.57/5,879.22
  6. Step 6: Final answer
    x = 4,636.76

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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.