Home / 1,812.36-2,717.28-1,196.28

Finding the Fourth Proportional to 1,812.36, 2,717.28 and 1,196.28

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Solution

The fourth proportional to 1,812.36, 2,717.28 and 1,196.28 is: 1,793.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.36 : 2,717.28 = 1,196.28 : x
  2. Step 2: Convert to fraction form
    1,812.36/2,717.28 = 1,196.28/x
  3. Step 3: Cross multiply
    1,812.36x = 2,717.28 × 1,196.28
  4. Step 4: Simplify right side
    1,812.36x = 3,250,627.72
  5. Step 5: Solve for x
    x = 3,250,627.72/1,812.36
  6. Step 6: Final answer
    x = 1,793.59

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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.