Home / 5,382.92-7,428.39-3,025.06

Finding the Fourth Proportional to 5,382.92, 7,428.39 and 3,025.06

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Solution

The fourth proportional to 5,382.92, 7,428.39 and 3,025.06 is: 4,174.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.92 : 7,428.39 = 3,025.06 : x
  2. Step 2: Convert to fraction form
    5,382.92/7,428.39 = 3,025.06/x
  3. Step 3: Cross multiply
    5,382.92x = 7,428.39 × 3,025.06
  4. Step 4: Simplify right side
    5,382.92x = 22,471,295.54
  5. Step 5: Solve for x
    x = 22,471,295.54/5,382.92
  6. Step 6: Final answer
    x = 4,174.55

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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.