Home / 3,022.28-4,172.10-1,843.82

Finding the Fourth Proportional to 3,022.28, 4,172.10 and 1,843.82

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Solution

The fourth proportional to 3,022.28, 4,172.10 and 1,843.82 is: 2,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.28 : 4,172.10 = 1,843.82 : x
  2. Step 2: Convert to fraction form
    3,022.28/4,172.10 = 1,843.82/x
  3. Step 3: Cross multiply
    3,022.28x = 4,172.10 × 1,843.82
  4. Step 4: Simplify right side
    3,022.28x = 7,692,601.42
  5. Step 5: Solve for x
    x = 7,692,601.42/3,022.28
  6. Step 6: Final answer
    x = 2,545.30

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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.