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Finding the Fourth Proportional to 5,879.58, 8,115.03 and 3,361.56

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Solution

The fourth proportional to 5,879.58, 8,115.03 and 3,361.56 is: 4,639.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.58 : 8,115.03 = 3,361.56 : x
  2. Step 2: Convert to fraction form
    5,879.58/8,115.03 = 3,361.56/x
  3. Step 3: Cross multiply
    5,879.58x = 8,115.03 × 3,361.56
  4. Step 4: Simplify right side
    5,879.58x = 27,279,160.25
  5. Step 5: Solve for x
    x = 27,279,160.25/5,879.58
  6. Step 6: Final answer
    x = 4,639.64

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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.