Home / 5,148.96-7,724.79-2,226.57

Finding the Fourth Proportional to 5,148.96, 7,724.79 and 2,226.57

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Solution

The fourth proportional to 5,148.96, 7,724.79 and 2,226.57 is: 3,340.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.96 : 7,724.79 = 2,226.57 : x
  2. Step 2: Convert to fraction form
    5,148.96/7,724.79 = 2,226.57/x
  3. Step 3: Cross multiply
    5,148.96x = 7,724.79 × 2,226.57
  4. Step 4: Simplify right side
    5,148.96x = 17,199,785.67
  5. Step 5: Solve for x
    x = 17,199,785.67/5,148.96
  6. Step 6: Final answer
    x = 3,340.44

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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.