Home / 5,049.45-6,967.40-2,811.29

Finding the Fourth Proportional to 5,049.45, 6,967.40 and 2,811.29

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Solution

The fourth proportional to 5,049.45, 6,967.40 and 2,811.29 is: 3,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.45 : 6,967.40 = 2,811.29 : x
  2. Step 2: Convert to fraction form
    5,049.45/6,967.40 = 2,811.29/x
  3. Step 3: Cross multiply
    5,049.45x = 6,967.40 × 2,811.29
  4. Step 4: Simplify right side
    5,049.45x = 19,587,333.05
  5. Step 5: Solve for x
    x = 19,587,333.05/5,049.45
  6. Step 6: Final answer
    x = 3,879.10

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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.