Home / 3,784.11-5,216.38-2,986.06

Finding the Fourth Proportional to 3,784.11, 5,216.38 and 2,986.06

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Solution

The fourth proportional to 3,784.11, 5,216.38 and 2,986.06 is: 4,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.11 : 5,216.38 = 2,986.06 : x
  2. Step 2: Convert to fraction form
    3,784.11/5,216.38 = 2,986.06/x
  3. Step 3: Cross multiply
    3,784.11x = 5,216.38 × 2,986.06
  4. Step 4: Simplify right side
    3,784.11x = 15,576,423.66
  5. Step 5: Solve for x
    x = 15,576,423.66/3,784.11
  6. Step 6: Final answer
    x = 4,116.27

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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.