Home / 3,262.95-4,502.69-1,936.78

Finding the Fourth Proportional to 3,262.95, 4,502.69 and 1,936.78

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Solution

The fourth proportional to 3,262.95, 4,502.69 and 1,936.78 is: 2,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,262.95 : 4,502.69 = 1,936.78 : x
  2. Step 2: Convert to fraction form
    3,262.95/4,502.69 = 1,936.78/x
  3. Step 3: Cross multiply
    3,262.95x = 4,502.69 × 1,936.78
  4. Step 4: Simplify right side
    3,262.95x = 8,720,706.26
  5. Step 5: Solve for x
    x = 8,720,706.26/3,262.95
  6. Step 6: Final answer
    x = 2,672.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.