Home / 5,148.93-7,725.42-2,229.30

Finding the Fourth Proportional to 5,148.93, 7,725.42 and 2,229.30

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Solution

The fourth proportional to 5,148.93, 7,725.42 and 2,229.30 is: 3,344.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.93 : 7,725.42 = 2,229.30 : x
  2. Step 2: Convert to fraction form
    5,148.93/7,725.42 = 2,229.30/x
  3. Step 3: Cross multiply
    5,148.93x = 7,725.42 × 2,229.30
  4. Step 4: Simplify right side
    5,148.93x = 17,222,278.81
  5. Step 5: Solve for x
    x = 17,222,278.81/5,148.93
  6. Step 6: Final answer
    x = 3,344.83

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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.