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Finding the Fourth Proportional to 5,879.98, 8,113.51 and 3,361.69

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Solution

The fourth proportional to 5,879.98, 8,113.51 and 3,361.69 is: 4,638.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.98 : 8,113.51 = 3,361.69 : x
  2. Step 2: Convert to fraction form
    5,879.98/8,113.51 = 3,361.69/x
  3. Step 3: Cross multiply
    5,879.98x = 8,113.51 × 3,361.69
  4. Step 4: Simplify right side
    5,879.98x = 27,275,105.43
  5. Step 5: Solve for x
    x = 27,275,105.43/5,879.98
  6. Step 6: Final answer
    x = 4,638.64

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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.