Home / 1,936.66-2,905.14-1,161.94

Finding the Fourth Proportional to 1,936.66, 2,905.14 and 1,161.94

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Solution

The fourth proportional to 1,936.66, 2,905.14 and 1,161.94 is: 1,743.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.66 : 2,905.14 = 1,161.94 : x
  2. Step 2: Convert to fraction form
    1,936.66/2,905.14 = 1,161.94/x
  3. Step 3: Cross multiply
    1,936.66x = 2,905.14 × 1,161.94
  4. Step 4: Simplify right side
    1,936.66x = 3,375,598.37
  5. Step 5: Solve for x
    x = 3,375,598.37/1,936.66
  6. Step 6: Final answer
    x = 1,743.00

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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.