Home / 4,989.24-7,485.72-2,067.84

Finding the Fourth Proportional to 4,989.24, 7,485.72 and 2,067.84

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Solution

The fourth proportional to 4,989.24, 7,485.72 and 2,067.84 is: 3,102.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.24 : 7,485.72 = 2,067.84 : x
  2. Step 2: Convert to fraction form
    4,989.24/7,485.72 = 2,067.84/x
  3. Step 3: Cross multiply
    4,989.24x = 7,485.72 × 2,067.84
  4. Step 4: Simplify right side
    4,989.24x = 15,479,271.24
  5. Step 5: Solve for x
    x = 15,479,271.24/4,989.24
  6. Step 6: Final answer
    x = 3,102.53

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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.