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Finding the Fourth Proportional to 3,273.75, 4,889.75 and 2,836.35

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Solution

The fourth proportional to 3,273.75, 4,889.75 and 2,836.35 is: 4,236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.75 : 4,889.75 = 2,836.35 : x
  2. Step 2: Convert to fraction form
    3,273.75/4,889.75 = 2,836.35/x
  3. Step 3: Cross multiply
    3,273.75x = 4,889.75 × 2,836.35
  4. Step 4: Simplify right side
    3,273.75x = 13,869,042.41
  5. Step 5: Solve for x
    x = 13,869,042.41/3,273.75
  6. Step 6: Final answer
    x = 4,236.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.