Home / 4,114.20-6,169.41-1,191.81

Finding the Fourth Proportional to 4,114.20, 6,169.41 and 1,191.81

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Solution

The fourth proportional to 4,114.20, 6,169.41 and 1,191.81 is: 1,787.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.20 : 6,169.41 = 1,191.81 : x
  2. Step 2: Convert to fraction form
    4,114.20/6,169.41 = 1,191.81/x
  3. Step 3: Cross multiply
    4,114.20x = 6,169.41 × 1,191.81
  4. Step 4: Simplify right side
    4,114.20x = 7,352,764.53
  5. Step 5: Solve for x
    x = 7,352,764.53/4,114.20
  6. Step 6: Final answer
    x = 1,787.17

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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.