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Finding the Fourth Proportional to 3,476.71, 5,215.07 and 1,169.83

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Solution

The fourth proportional to 3,476.71, 5,215.07 and 1,169.83 is: 1,754.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.71 : 5,215.07 = 1,169.83 : x
  2. Step 2: Convert to fraction form
    3,476.71/5,215.07 = 1,169.83/x
  3. Step 3: Cross multiply
    3,476.71x = 5,215.07 × 1,169.83
  4. Step 4: Simplify right side
    3,476.71x = 6,100,745.34
  5. Step 5: Solve for x
    x = 6,100,745.34/3,476.71
  6. Step 6: Final answer
    x = 1,754.75

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Similar ratio
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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.