Home / 4,791.58-7,187.03-2,158.98

Finding the Fourth Proportional to 4,791.58, 7,187.03 and 2,158.98

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Solution

The fourth proportional to 4,791.58, 7,187.03 and 2,158.98 is: 3,238.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.58 : 7,187.03 = 2,158.98 : x
  2. Step 2: Convert to fraction form
    4,791.58/7,187.03 = 2,158.98/x
  3. Step 3: Cross multiply
    4,791.58x = 7,187.03 × 2,158.98
  4. Step 4: Simplify right side
    4,791.58x = 15,516,644.59
  5. Step 5: Solve for x
    x = 15,516,644.59/4,791.58
  6. Step 6: Final answer
    x = 3,238.31

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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.