Home / 7,136.41-10,705.64-2,206.48

Finding the Fourth Proportional to 7,136.41, 10,705.64 and 2,206.48

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Solution

The fourth proportional to 7,136.41, 10,705.64 and 2,206.48 is: 3,310.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.41 : 10,705.64 = 2,206.48 : x
  2. Step 2: Convert to fraction form
    7,136.41/10,705.64 = 2,206.48/x
  3. Step 3: Cross multiply
    7,136.41x = 10,705.64 × 2,206.48
  4. Step 4: Simplify right side
    7,136.41x = 23,621,715.99
  5. Step 5: Solve for x
    x = 23,621,715.99/7,136.41
  6. Step 6: Final answer
    x = 3,310.03

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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.