Home / 5,049.74-6,968.72-2,811.64

Finding the Fourth Proportional to 5,049.74, 6,968.72 and 2,811.64

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Solution

The fourth proportional to 5,049.74, 6,968.72 and 2,811.64 is: 3,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.74 : 6,968.72 = 2,811.64 : x
  2. Step 2: Convert to fraction form
    5,049.74/6,968.72 = 2,811.64/x
  3. Step 3: Cross multiply
    5,049.74x = 6,968.72 × 2,811.64
  4. Step 4: Simplify right side
    5,049.74x = 19,593,531.90
  5. Step 5: Solve for x
    x = 19,593,531.90/5,049.74
  6. Step 6: Final answer
    x = 3,880.11

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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.