Home / 7,136.48-10,705.73-2,206.53

Finding the Fourth Proportional to 7,136.48, 10,705.73 and 2,206.53

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Solution

The fourth proportional to 7,136.48, 10,705.73 and 2,206.53 is: 3,310.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.48 : 10,705.73 = 2,206.53 : x
  2. Step 2: Convert to fraction form
    7,136.48/10,705.73 = 2,206.53/x
  3. Step 3: Cross multiply
    7,136.48x = 10,705.73 × 2,206.53
  4. Step 4: Simplify right side
    7,136.48x = 23,622,503.38
  5. Step 5: Solve for x
    x = 23,622,503.38/7,136.48
  6. Step 6: Final answer
    x = 3,310.11

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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.