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Finding the Fourth Proportional to 3,379.88, 4,664.79 and 2,498.22

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Solution

The fourth proportional to 3,379.88, 4,664.79 and 2,498.22 is: 3,447.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.88 : 4,664.79 = 2,498.22 : x
  2. Step 2: Convert to fraction form
    3,379.88/4,664.79 = 2,498.22/x
  3. Step 3: Cross multiply
    3,379.88x = 4,664.79 × 2,498.22
  4. Step 4: Simplify right side
    3,379.88x = 11,653,671.67
  5. Step 5: Solve for x
    x = 11,653,671.67/3,379.88
  6. Step 6: Final answer
    x = 3,447.95

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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.