Home / 6,948.36-10,418.43-2,790.33

Finding the Fourth Proportional to 6,948.36, 10,418.43 and 2,790.33

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Solution

The fourth proportional to 6,948.36, 10,418.43 and 2,790.33 is: 4,183.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,948.36 : 10,418.43 = 2,790.33 : x
  2. Step 2: Convert to fraction form
    6,948.36/10,418.43 = 2,790.33/x
  3. Step 3: Cross multiply
    6,948.36x = 10,418.43 × 2,790.33
  4. Step 4: Simplify right side
    6,948.36x = 29,070,857.78
  5. Step 5: Solve for x
    x = 29,070,857.78/6,948.36
  6. Step 6: Final answer
    x = 4,183.84

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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.