Home / 2,166.24-3,247.92-704.88

Finding the Fourth Proportional to 2,166.24, 3,247.92 and 704.88

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Solution

The fourth proportional to 2,166.24, 3,247.92 and 704.88 is: 1,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166.24 : 3,247.92 = 704.88 : x
  2. Step 2: Convert to fraction form
    2,166.24/3,247.92 = 704.88/x
  3. Step 3: Cross multiply
    2,166.24x = 3,247.92 × 704.88
  4. Step 4: Simplify right side
    2,166.24x = 2,289,393.85
  5. Step 5: Solve for x
    x = 2,289,393.85/2,166.24
  6. Step 6: Final answer
    x = 1,056.85

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1.5x scale

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.