Home / 5,942.28-8,911.80-2,045.64

Finding the Fourth Proportional to 5,942.28, 8,911.80 and 2,045.64

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Solution

The fourth proportional to 5,942.28, 8,911.80 and 2,045.64 is: 3,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,942.28 : 8,911.80 = 2,045.64 : x
  2. Step 2: Convert to fraction form
    5,942.28/8,911.80 = 2,045.64/x
  3. Step 3: Cross multiply
    5,942.28x = 8,911.80 × 2,045.64
  4. Step 4: Simplify right side
    5,942.28x = 18,230,334.55
  5. Step 5: Solve for x
    x = 18,230,334.55/5,942.28
  6. Step 6: Final answer
    x = 3,067.90

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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.