Home / 3,327.88-4,990.90-1,136.56

Finding the Fourth Proportional to 3,327.88, 4,990.90 and 1,136.56

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Solution

The fourth proportional to 3,327.88, 4,990.90 and 1,136.56 is: 1,704.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.88 : 4,990.90 = 1,136.56 : x
  2. Step 2: Convert to fraction form
    3,327.88/4,990.90 = 1,136.56/x
  3. Step 3: Cross multiply
    3,327.88x = 4,990.90 × 1,136.56
  4. Step 4: Simplify right side
    3,327.88x = 5,672,457.30
  5. Step 5: Solve for x
    x = 5,672,457.30/3,327.88
  6. Step 6: Final answer
    x = 1,704.53

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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.