Home / 3,914.11-5,866.10-2,986.25

Finding the Fourth Proportional to 3,914.11, 5,866.10 and 2,986.25

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Solution

The fourth proportional to 3,914.11, 5,866.10 and 2,986.25 is: 4,475.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.11 : 5,866.10 = 2,986.25 : x
  2. Step 2: Convert to fraction form
    3,914.11/5,866.10 = 2,986.25/x
  3. Step 3: Cross multiply
    3,914.11x = 5,866.10 × 2,986.25
  4. Step 4: Simplify right side
    3,914.11x = 17,517,626.19
  5. Step 5: Solve for x
    x = 17,517,626.19/3,914.11
  6. Step 6: Final answer
    x = 4,475.51

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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.