Home / 5,382.25-7,425.41-3,969.27

Finding the Fourth Proportional to 5,382.25, 7,425.41 and 3,969.27

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Solution

The fourth proportional to 5,382.25, 7,425.41 and 3,969.27 is: 5,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.25 : 7,425.41 = 3,969.27 : x
  2. Step 2: Convert to fraction form
    5,382.25/7,425.41 = 3,969.27/x
  3. Step 3: Cross multiply
    5,382.25x = 7,425.41 × 3,969.27
  4. Step 4: Simplify right side
    5,382.25x = 29,473,437.30
  5. Step 5: Solve for x
    x = 29,473,437.30/5,382.25
  6. Step 6: Final answer
    x = 5,476.05

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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.