Home / 3,914.08-5,403.27-2,422.97

Finding the Fourth Proportional to 3,914.08, 5,403.27 and 2,422.97

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Solution

The fourth proportional to 3,914.08, 5,403.27 and 2,422.97 is: 3,344.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.08 : 5,403.27 = 2,422.97 : x
  2. Step 2: Convert to fraction form
    3,914.08/5,403.27 = 2,422.97/x
  3. Step 3: Cross multiply
    3,914.08x = 5,403.27 × 2,422.97
  4. Step 4: Simplify right side
    3,914.08x = 13,091,963.44
  5. Step 5: Solve for x
    x = 13,091,963.44/3,914.08
  6. Step 6: Final answer
    x = 3,344.84

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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.