Home / 5,125.58-7,690.80-3,049.69

Finding the Fourth Proportional to 5,125.58, 7,690.80 and 3,049.69

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Solution

The fourth proportional to 5,125.58, 7,690.80 and 3,049.69 is: 4,575.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.58 : 7,690.80 = 3,049.69 : x
  2. Step 2: Convert to fraction form
    5,125.58/7,690.80 = 3,049.69/x
  3. Step 3: Cross multiply
    5,125.58x = 7,690.80 × 3,049.69
  4. Step 4: Simplify right side
    5,125.58x = 23,454,525.06
  5. Step 5: Solve for x
    x = 23,454,525.06/5,125.58
  6. Step 6: Final answer
    x = 4,575.97

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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.