Home / 3,787.71-5,682.33-1,190.04

Finding the Fourth Proportional to 3,787.71, 5,682.33 and 1,190.04

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Solution

The fourth proportional to 3,787.71, 5,682.33 and 1,190.04 is: 1,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.71 : 5,682.33 = 1,190.04 : x
  2. Step 2: Convert to fraction form
    3,787.71/5,682.33 = 1,190.04/x
  3. Step 3: Cross multiply
    3,787.71x = 5,682.33 × 1,190.04
  4. Step 4: Simplify right side
    3,787.71x = 6,762,199.99
  5. Step 5: Solve for x
    x = 6,762,199.99/3,787.71
  6. Step 6: Final answer
    x = 1,785.30

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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.