Home / 6,979.64-10,469.51-2,049.36

Finding the Fourth Proportional to 6,979.64, 10,469.51 and 2,049.36

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Solution

The fourth proportional to 6,979.64, 10,469.51 and 2,049.36 is: 3,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.64 : 10,469.51 = 2,049.36 : x
  2. Step 2: Convert to fraction form
    6,979.64/10,469.51 = 2,049.36/x
  3. Step 3: Cross multiply
    6,979.64x = 10,469.51 × 2,049.36
  4. Step 4: Simplify right side
    6,979.64x = 21,455,764.72
  5. Step 5: Solve for x
    x = 21,455,764.72/6,979.64
  6. Step 6: Final answer
    x = 3,074.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.