Home / 2,788.08-4,185.15-2,096.73

Finding the Fourth Proportional to 2,788.08, 4,185.15 and 2,096.73

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Solution

The fourth proportional to 2,788.08, 4,185.15 and 2,096.73 is: 3,147.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.08 : 4,185.15 = 2,096.73 : x
  2. Step 2: Convert to fraction form
    2,788.08/4,185.15 = 2,096.73/x
  3. Step 3: Cross multiply
    2,788.08x = 4,185.15 × 2,096.73
  4. Step 4: Simplify right side
    2,788.08x = 8,775,129.56
  5. Step 5: Solve for x
    x = 8,775,129.56/2,788.08
  6. Step 6: Final answer
    x = 3,147.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.