Home / 2,736.36-4,105.80-1,176.84

Finding the Fourth Proportional to 2,736.36, 4,105.80 and 1,176.84

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Solution

The fourth proportional to 2,736.36, 4,105.80 and 1,176.84 is: 1,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.36 : 4,105.80 = 1,176.84 : x
  2. Step 2: Convert to fraction form
    2,736.36/4,105.80 = 1,176.84/x
  3. Step 3: Cross multiply
    2,736.36x = 4,105.80 × 1,176.84
  4. Step 4: Simplify right side
    2,736.36x = 4,831,869.67
  5. Step 5: Solve for x
    x = 4,831,869.67/2,736.36
  6. Step 6: Final answer
    x = 1,765.80

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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.