Home / 1,824.21-2,736.36-1,092.15

Finding the Fourth Proportional to 1,824.21, 2,736.36 and 1,092.15

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Solution

The fourth proportional to 1,824.21, 2,736.36 and 1,092.15 is: 1,638.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.21 : 2,736.36 = 1,092.15 : x
  2. Step 2: Convert to fraction form
    1,824.21/2,736.36 = 1,092.15/x
  3. Step 3: Cross multiply
    1,824.21x = 2,736.36 × 1,092.15
  4. Step 4: Simplify right side
    1,824.21x = 2,988,515.57
  5. Step 5: Solve for x
    x = 2,988,515.57/1,824.21
  6. Step 6: Final answer
    x = 1,638.25

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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.