Home / 3,964.27-5,471.37-2,285.38

Finding the Fourth Proportional to 3,964.27, 5,471.37 and 2,285.38

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Solution

The fourth proportional to 3,964.27, 5,471.37 and 2,285.38 is: 3,154.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.27 : 5,471.37 = 2,285.38 : x
  2. Step 2: Convert to fraction form
    3,964.27/5,471.37 = 2,285.38/x
  3. Step 3: Cross multiply
    3,964.27x = 5,471.37 × 2,285.38
  4. Step 4: Simplify right side
    3,964.27x = 12,504,159.57
  5. Step 5: Solve for x
    x = 12,504,159.57/3,964.27
  6. Step 6: Final answer
    x = 3,154.21

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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.