Home / 1,961.67-2,936.82-1,527.51

Finding the Fourth Proportional to 1,961.67, 2,936.82 and 1,527.51

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Solution

The fourth proportional to 1,961.67, 2,936.82 and 1,527.51 is: 2,286.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.67 : 2,936.82 = 1,527.51 : x
  2. Step 2: Convert to fraction form
    1,961.67/2,936.82 = 1,527.51/x
  3. Step 3: Cross multiply
    1,961.67x = 2,936.82 × 1,527.51
  4. Step 4: Simplify right side
    1,961.67x = 4,486,021.92
  5. Step 5: Solve for x
    x = 4,486,021.92/1,961.67
  6. Step 6: Final answer
    x = 2,286.84

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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.