Home / 4,919.85-7,379.97-1,633.23

Finding the Fourth Proportional to 4,919.85, 7,379.97 and 1,633.23

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Solution

The fourth proportional to 4,919.85, 7,379.97 and 1,633.23 is: 2,449.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.85 : 7,379.97 = 1,633.23 : x
  2. Step 2: Convert to fraction form
    4,919.85/7,379.97 = 1,633.23/x
  3. Step 3: Cross multiply
    4,919.85x = 7,379.97 × 1,633.23
  4. Step 4: Simplify right side
    4,919.85x = 12,053,188.40
  5. Step 5: Solve for x
    x = 12,053,188.40/4,919.85
  6. Step 6: Final answer
    x = 2,449.91

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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.