Home / 3,817.92-5,726.46-1,864.20

Finding the Fourth Proportional to 3,817.92, 5,726.46 and 1,864.20

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Solution

The fourth proportional to 3,817.92, 5,726.46 and 1,864.20 is: 2,796.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.92 : 5,726.46 = 1,864.20 : x
  2. Step 2: Convert to fraction form
    3,817.92/5,726.46 = 1,864.20/x
  3. Step 3: Cross multiply
    3,817.92x = 5,726.46 × 1,864.20
  4. Step 4: Simplify right side
    3,817.92x = 10,675,266.73
  5. Step 5: Solve for x
    x = 10,675,266.73/3,817.92
  6. Step 6: Final answer
    x = 2,796.09

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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.