Home / 4,076.82-6,115.22-1,479.75

Finding the Fourth Proportional to 4,076.82, 6,115.22 and 1,479.75

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Solution

The fourth proportional to 4,076.82, 6,115.22 and 1,479.75 is: 2,219.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.82 : 6,115.22 = 1,479.75 : x
  2. Step 2: Convert to fraction form
    4,076.82/6,115.22 = 1,479.75/x
  3. Step 3: Cross multiply
    4,076.82x = 6,115.22 × 1,479.75
  4. Step 4: Simplify right side
    4,076.82x = 9,048,989.40
  5. Step 5: Solve for x
    x = 9,048,989.40/4,076.82
  6. Step 6: Final answer
    x = 2,219.62

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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.