Home / 2,382.54-3,287.25-1,374.21

Finding the Fourth Proportional to 2,382.54, 3,287.25 and 1,374.21

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Solution

The fourth proportional to 2,382.54, 3,287.25 and 1,374.21 is: 1,896.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.54 : 3,287.25 = 1,374.21 : x
  2. Step 2: Convert to fraction form
    2,382.54/3,287.25 = 1,374.21/x
  3. Step 3: Cross multiply
    2,382.54x = 3,287.25 × 1,374.21
  4. Step 4: Simplify right side
    2,382.54x = 4,517,371.82
  5. Step 5: Solve for x
    x = 4,517,371.82/2,382.54
  6. Step 6: Final answer
    x = 1,896.03

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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.