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Finding the Fourth Proportional to 3,228.29, 4,843.21 and 1,748.99

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Solution

The fourth proportional to 3,228.29, 4,843.21 and 1,748.99 is: 2,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.29 : 4,843.21 = 1,748.99 : x
  2. Step 2: Convert to fraction form
    3,228.29/4,843.21 = 1,748.99/x
  3. Step 3: Cross multiply
    3,228.29x = 4,843.21 × 1,748.99
  4. Step 4: Simplify right side
    3,228.29x = 8,470,729.49
  5. Step 5: Solve for x
    x = 8,470,729.49/3,228.29
  6. Step 6: Final answer
    x = 2,623.90

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Double scale
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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.