Home / 6,788.27-10,178.46-2,107.02

Finding the Fourth Proportional to 6,788.27, 10,178.46 and 2,107.02

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Solution

The fourth proportional to 6,788.27, 10,178.46 and 2,107.02 is: 3,159.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.27 : 10,178.46 = 2,107.02 : x
  2. Step 2: Convert to fraction form
    6,788.27/10,178.46 = 2,107.02/x
  3. Step 3: Cross multiply
    6,788.27x = 10,178.46 × 2,107.02
  4. Step 4: Simplify right side
    6,788.27x = 21,446,218.79
  5. Step 5: Solve for x
    x = 21,446,218.79/6,788.27
  6. Step 6: Final answer
    x = 3,159.31

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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.