Home / 3,226.19-4,453.09-2,107.30

Finding the Fourth Proportional to 3,226.19, 4,453.09 and 2,107.30

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Solution

The fourth proportional to 3,226.19, 4,453.09 and 2,107.30 is: 2,908.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.19 : 4,453.09 = 2,107.30 : x
  2. Step 2: Convert to fraction form
    3,226.19/4,453.09 = 2,107.30/x
  3. Step 3: Cross multiply
    3,226.19x = 4,453.09 × 2,107.30
  4. Step 4: Simplify right side
    3,226.19x = 9,383,996.56
  5. Step 5: Solve for x
    x = 9,383,996.56/3,226.19
  6. Step 6: Final answer
    x = 2,908.69

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.