Home / 2,721.12-4,069.38-2,096.34

Finding the Fourth Proportional to 2,721.12, 4,069.38 and 2,096.34

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Solution

The fourth proportional to 2,721.12, 4,069.38 and 2,096.34 is: 3,135.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.12 : 4,069.38 = 2,096.34 : x
  2. Step 2: Convert to fraction form
    2,721.12/4,069.38 = 2,096.34/x
  3. Step 3: Cross multiply
    2,721.12x = 4,069.38 × 2,096.34
  4. Step 4: Simplify right side
    2,721.12x = 8,530,804.07
  5. Step 5: Solve for x
    x = 8,530,804.07/2,721.12
  6. Step 6: Final answer
    x = 3,135.03

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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.