Home / 4,791.90-7,188.19-1,505.25

Finding the Fourth Proportional to 4,791.90, 7,188.19 and 1,505.25

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Solution

The fourth proportional to 4,791.90, 7,188.19 and 1,505.25 is: 2,257.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.90 : 7,188.19 = 1,505.25 : x
  2. Step 2: Convert to fraction form
    4,791.90/7,188.19 = 1,505.25/x
  3. Step 3: Cross multiply
    4,791.90x = 7,188.19 × 1,505.25
  4. Step 4: Simplify right side
    4,791.90x = 10,820,023.00
  5. Step 5: Solve for x
    x = 10,820,023.00/4,791.90
  6. Step 6: Final answer
    x = 2,257.98

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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.