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Finding the Fourth Proportional to 3,488.59, 4,818.59 and 2,608.39

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Solution

The fourth proportional to 3,488.59, 4,818.59 and 2,608.39 is: 3,602.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.59 : 4,818.59 = 2,608.39 : x
  2. Step 2: Convert to fraction form
    3,488.59/4,818.59 = 2,608.39/x
  3. Step 3: Cross multiply
    3,488.59x = 4,818.59 × 2,608.39
  4. Step 4: Simplify right side
    3,488.59x = 12,568,761.97
  5. Step 5: Solve for x
    x = 12,568,761.97/3,488.59
  6. Step 6: Final answer
    x = 3,602.82

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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.