Home / 3,954.08-5,456.63-2,382.48

Finding the Fourth Proportional to 3,954.08, 5,456.63 and 2,382.48

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Solution

The fourth proportional to 3,954.08, 5,456.63 and 2,382.48 is: 3,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.08 : 5,456.63 = 2,382.48 : x
  2. Step 2: Convert to fraction form
    3,954.08/5,456.63 = 2,382.48/x
  3. Step 3: Cross multiply
    3,954.08x = 5,456.63 × 2,382.48
  4. Step 4: Simplify right side
    3,954.08x = 13,000,295.22
  5. Step 5: Solve for x
    x = 13,000,295.22/3,954.08
  6. Step 6: Final answer
    x = 3,287.82

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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.