Home / 3,213.24-4,819.38-2,668.92

Finding the Fourth Proportional to 3,213.24, 4,819.38 and 2,668.92

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Solution

The fourth proportional to 3,213.24, 4,819.38 and 2,668.92 is: 4,002.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.24 : 4,819.38 = 2,668.92 : x
  2. Step 2: Convert to fraction form
    3,213.24/4,819.38 = 2,668.92/x
  3. Step 3: Cross multiply
    3,213.24x = 4,819.38 × 2,668.92
  4. Step 4: Simplify right side
    3,213.24x = 12,862,539.67
  5. Step 5: Solve for x
    x = 12,862,539.67/3,213.24
  6. Step 6: Final answer
    x = 4,002.98

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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.