Home / 5,049.68-6,968.70-2,811.74

Finding the Fourth Proportional to 5,049.68, 6,968.70 and 2,811.74

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Solution

The fourth proportional to 5,049.68, 6,968.70 and 2,811.74 is: 3,880.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.68 : 6,968.70 = 2,811.74 : x
  2. Step 2: Convert to fraction form
    5,049.68/6,968.70 = 2,811.74/x
  3. Step 3: Cross multiply
    5,049.68x = 6,968.70 × 2,811.74
  4. Step 4: Simplify right side
    5,049.68x = 19,594,137.69
  5. Step 5: Solve for x
    x = 19,594,137.69/5,049.68
  6. Step 6: Final answer
    x = 3,880.28

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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.