Home / 5,049.55-6,968.46-2,811.45

Finding the Fourth Proportional to 5,049.55, 6,968.46 and 2,811.45

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Solution

The fourth proportional to 5,049.55, 6,968.46 and 2,811.45 is: 3,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.55 : 6,968.46 = 2,811.45 : x
  2. Step 2: Convert to fraction form
    5,049.55/6,968.46 = 2,811.45/x
  3. Step 3: Cross multiply
    5,049.55x = 6,968.46 × 2,811.45
  4. Step 4: Simplify right side
    5,049.55x = 19,591,476.87
  5. Step 5: Solve for x
    x = 19,591,476.87/5,049.55
  6. Step 6: Final answer
    x = 3,879.85

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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.