Home / 7,081.20-10,623.24-2,698.56

Finding the Fourth Proportional to 7,081.20, 10,623.24 and 2,698.56

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Solution

The fourth proportional to 7,081.20, 10,623.24 and 2,698.56 is: 4,048.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.20 : 10,623.24 = 2,698.56 : x
  2. Step 2: Convert to fraction form
    7,081.20/10,623.24 = 2,698.56/x
  3. Step 3: Cross multiply
    7,081.20x = 10,623.24 × 2,698.56
  4. Step 4: Simplify right side
    7,081.20x = 28,667,450.53
  5. Step 5: Solve for x
    x = 28,667,450.53/7,081.20
  6. Step 6: Final answer
    x = 4,048.39

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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.