Home / 6,787.05-10,180.68-2,107.01

Finding the Fourth Proportional to 6,787.05, 10,180.68 and 2,107.01

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Solution

The fourth proportional to 6,787.05, 10,180.68 and 2,107.01 is: 3,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.05 : 10,180.68 = 2,107.01 : x
  2. Step 2: Convert to fraction form
    6,787.05/10,180.68 = 2,107.01/x
  3. Step 3: Cross multiply
    6,787.05x = 10,180.68 × 2,107.01
  4. Step 4: Simplify right side
    6,787.05x = 21,450,794.57
  5. Step 5: Solve for x
    x = 21,450,794.57/6,787.05
  6. Step 6: Final answer
    x = 3,160.55

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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.