Home / 6,788.54-10,184.40-2,108.31

Finding the Fourth Proportional to 6,788.54, 10,184.40 and 2,108.31

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Solution

The fourth proportional to 6,788.54, 10,184.40 and 2,108.31 is: 3,162.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.54 : 10,184.40 = 2,108.31 : x
  2. Step 2: Convert to fraction form
    6,788.54/10,184.40 = 2,108.31/x
  3. Step 3: Cross multiply
    6,788.54x = 10,184.40 × 2,108.31
  4. Step 4: Simplify right side
    6,788.54x = 21,471,872.36
  5. Step 5: Solve for x
    x = 21,471,872.36/6,788.54
  6. Step 6: Final answer
    x = 3,162.96

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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.