Home / 5,049.11-6,968.16-2,811.56

Finding the Fourth Proportional to 5,049.11, 6,968.16 and 2,811.56

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Solution

The fourth proportional to 5,049.11, 6,968.16 and 2,811.56 is: 3,880.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.11 : 6,968.16 = 2,811.56 : x
  2. Step 2: Convert to fraction form
    5,049.11/6,968.16 = 2,811.56/x
  3. Step 3: Cross multiply
    5,049.11x = 6,968.16 × 2,811.56
  4. Step 4: Simplify right side
    5,049.11x = 19,591,399.93
  5. Step 5: Solve for x
    x = 19,591,399.93/5,049.11
  6. Step 6: Final answer
    x = 3,880.17

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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.