Home / 5,049.41-6,968.30-2,811.43

Finding the Fourth Proportional to 5,049.41, 6,968.30 and 2,811.43

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Solution

The fourth proportional to 5,049.41, 6,968.30 and 2,811.43 is: 3,879.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.41 : 6,968.30 = 2,811.43 : x
  2. Step 2: Convert to fraction form
    5,049.41/6,968.30 = 2,811.43/x
  3. Step 3: Cross multiply
    5,049.41x = 6,968.30 × 2,811.43
  4. Step 4: Simplify right side
    5,049.41x = 19,590,873.61
  5. Step 5: Solve for x
    x = 19,590,873.61/5,049.41
  6. Step 6: Final answer
    x = 3,879.84

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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.