Home / 4,764.26-7,136.64-2,811.75

Finding the Fourth Proportional to 4,764.26, 7,136.64 and 2,811.75

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Solution

The fourth proportional to 4,764.26, 7,136.64 and 2,811.75 is: 4,211.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.26 : 7,136.64 = 2,811.75 : x
  2. Step 2: Convert to fraction form
    4,764.26/7,136.64 = 2,811.75/x
  3. Step 3: Cross multiply
    4,764.26x = 7,136.64 × 2,811.75
  4. Step 4: Simplify right side
    4,764.26x = 20,066,447.52
  5. Step 5: Solve for x
    x = 20,066,447.52/4,764.26
  6. Step 6: Final answer
    x = 4,211.88

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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.