Home / 5,986.47-8,983.82-2,090.88

Finding the Fourth Proportional to 5,986.47, 8,983.82 and 2,090.88

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Solution

The fourth proportional to 5,986.47, 8,983.82 and 2,090.88 is: 3,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.47 : 8,983.82 = 2,090.88 : x
  2. Step 2: Convert to fraction form
    5,986.47/8,983.82 = 2,090.88/x
  3. Step 3: Cross multiply
    5,986.47x = 8,983.82 × 2,090.88
  4. Step 4: Simplify right side
    5,986.47x = 18,784,079.11
  5. Step 5: Solve for x
    x = 18,784,079.11/5,986.47
  6. Step 6: Final answer
    x = 3,137.76

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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.