Home / 2,136.28-3,203.32-1,096.08

Finding the Fourth Proportional to 2,136.28, 3,203.32 and 1,096.08

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Solution

The fourth proportional to 2,136.28, 3,203.32 and 1,096.08 is: 1,643.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.28 : 3,203.32 = 1,096.08 : x
  2. Step 2: Convert to fraction form
    2,136.28/3,203.32 = 1,096.08/x
  3. Step 3: Cross multiply
    2,136.28x = 3,203.32 × 1,096.08
  4. Step 4: Simplify right side
    2,136.28x = 3,511,094.99
  5. Step 5: Solve for x
    x = 3,511,094.99/2,136.28
  6. Step 6: Final answer
    x = 1,643.56

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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.