Home / 6,931.82-10,391.24-2,548.10

Finding the Fourth Proportional to 6,931.82, 10,391.24 and 2,548.10

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Solution

The fourth proportional to 6,931.82, 10,391.24 and 2,548.10 is: 3,819.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.82 : 10,391.24 = 2,548.10 : x
  2. Step 2: Convert to fraction form
    6,931.82/10,391.24 = 2,548.10/x
  3. Step 3: Cross multiply
    6,931.82x = 10,391.24 × 2,548.10
  4. Step 4: Simplify right side
    6,931.82x = 26,477,918.64
  5. Step 5: Solve for x
    x = 26,477,918.64/6,931.82
  6. Step 6: Final answer
    x = 3,819.76

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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.