Home / 4,914.22-7,365.78-2,136.70

Finding the Fourth Proportional to 4,914.22, 7,365.78 and 2,136.70

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Solution

The fourth proportional to 4,914.22, 7,365.78 and 2,136.70 is: 3,202.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.22 : 7,365.78 = 2,136.70 : x
  2. Step 2: Convert to fraction form
    4,914.22/7,365.78 = 2,136.70/x
  3. Step 3: Cross multiply
    4,914.22x = 7,365.78 × 2,136.70
  4. Step 4: Simplify right side
    4,914.22x = 15,738,462.13
  5. Step 5: Solve for x
    x = 15,738,462.13/4,914.22
  6. Step 6: Final answer
    x = 3,202.64

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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.