Home / 6,929.55-10,399.34-2,713.43

Finding the Fourth Proportional to 6,929.55, 10,399.34 and 2,713.43

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Solution

The fourth proportional to 6,929.55, 10,399.34 and 2,713.43 is: 4,072.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.55 : 10,399.34 = 2,713.43 : x
  2. Step 2: Convert to fraction form
    6,929.55/10,399.34 = 2,713.43/x
  3. Step 3: Cross multiply
    6,929.55x = 10,399.34 × 2,713.43
  4. Step 4: Simplify right side
    6,929.55x = 28,217,815.57
  5. Step 5: Solve for x
    x = 28,217,815.57/6,929.55
  6. Step 6: Final answer
    x = 4,072.10

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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.