Home / 2,166.15-3,247.24-704.55

Finding the Fourth Proportional to 2,166.15, 3,247.24 and 704.55

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Solution

The fourth proportional to 2,166.15, 3,247.24 and 704.55 is: 1,056.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166.15 : 3,247.24 = 704.55 : x
  2. Step 2: Convert to fraction form
    2,166.15/3,247.24 = 704.55/x
  3. Step 3: Cross multiply
    2,166.15x = 3,247.24 × 704.55
  4. Step 4: Simplify right side
    2,166.15x = 2,287,842.94
  5. Step 5: Solve for x
    x = 2,287,842.94/2,166.15
  6. Step 6: Final answer
    x = 1,056.18

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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.