Home / 3,206.28-4,424.14-1,808.76

Finding the Fourth Proportional to 3,206.28, 4,424.14 and 1,808.76

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Solution

The fourth proportional to 3,206.28, 4,424.14 and 1,808.76 is: 2,495.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.28 : 4,424.14 = 1,808.76 : x
  2. Step 2: Convert to fraction form
    3,206.28/4,424.14 = 1,808.76/x
  3. Step 3: Cross multiply
    3,206.28x = 4,424.14 × 1,808.76
  4. Step 4: Simplify right side
    3,206.28x = 8,002,207.47
  5. Step 5: Solve for x
    x = 8,002,207.47/3,206.28
  6. Step 6: Final answer
    x = 2,495.79

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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.