Home / 1,871.06-2,819.26-1,553.54

Finding the Fourth Proportional to 1,871.06, 2,819.26 and 1,553.54

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Solution

The fourth proportional to 1,871.06, 2,819.26 and 1,553.54 is: 2,340.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.06 : 2,819.26 = 1,553.54 : x
  2. Step 2: Convert to fraction form
    1,871.06/2,819.26 = 1,553.54/x
  3. Step 3: Cross multiply
    1,871.06x = 2,819.26 × 1,553.54
  4. Step 4: Simplify right side
    1,871.06x = 4,379,833.18
  5. Step 5: Solve for x
    x = 4,379,833.18/1,871.06
  6. Step 6: Final answer
    x = 2,340.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.