Home / 5,049.43-6,968.13-2,811.25

Finding the Fourth Proportional to 5,049.43, 6,968.13 and 2,811.25

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Solution

The fourth proportional to 5,049.43, 6,968.13 and 2,811.25 is: 3,879.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.43 : 6,968.13 = 2,811.25 : x
  2. Step 2: Convert to fraction form
    5,049.43/6,968.13 = 2,811.25/x
  3. Step 3: Cross multiply
    5,049.43x = 6,968.13 × 2,811.25
  4. Step 4: Simplify right side
    5,049.43x = 19,589,155.46
  5. Step 5: Solve for x
    x = 19,589,155.46/5,049.43
  6. Step 6: Final answer
    x = 3,879.48

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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.