Home / 5,049.79-6,968.91-2,811.58

Finding the Fourth Proportional to 5,049.79, 6,968.91 and 2,811.58

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Solution

The fourth proportional to 5,049.79, 6,968.91 and 2,811.58 is: 3,880.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.79 : 6,968.91 = 2,811.58 : x
  2. Step 2: Convert to fraction form
    5,049.79/6,968.91 = 2,811.58/x
  3. Step 3: Cross multiply
    5,049.79x = 6,968.91 × 2,811.58
  4. Step 4: Simplify right side
    5,049.79x = 19,593,647.98
  5. Step 5: Solve for x
    x = 19,593,647.98/5,049.79
  6. Step 6: Final answer
    x = 3,880.09

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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.