Home / 6,979.36-10,469.76-2,048.98

Finding the Fourth Proportional to 6,979.36, 10,469.76 and 2,048.98

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Solution

The fourth proportional to 6,979.36, 10,469.76 and 2,048.98 is: 3,073.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.36 : 10,469.76 = 2,048.98 : x
  2. Step 2: Convert to fraction form
    6,979.36/10,469.76 = 2,048.98/x
  3. Step 3: Cross multiply
    6,979.36x = 10,469.76 × 2,048.98
  4. Step 4: Simplify right side
    6,979.36x = 21,452,328.84
  5. Step 5: Solve for x
    x = 21,452,328.84/6,979.36
  6. Step 6: Final answer
    x = 3,073.68

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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.