Home / 3,136.14-4,322.34-2,774.04

Finding the Fourth Proportional to 3,136.14, 4,322.34 and 2,774.04

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Solution

The fourth proportional to 3,136.14, 4,322.34 and 2,774.04 is: 3,823.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.14 : 4,322.34 = 2,774.04 : x
  2. Step 2: Convert to fraction form
    3,136.14/4,322.34 = 2,774.04/x
  3. Step 3: Cross multiply
    3,136.14x = 4,322.34 × 2,774.04
  4. Step 4: Simplify right side
    3,136.14x = 11,990,344.05
  5. Step 5: Solve for x
    x = 11,990,344.05/3,136.14
  6. Step 6: Final answer
    x = 3,823.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.