Home / 5,068.78-7,603.44-4,791.76

Finding the Fourth Proportional to 5,068.78, 7,603.44 and 4,791.76

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Solution

The fourth proportional to 5,068.78, 7,603.44 and 4,791.76 is: 7,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,068.78 : 7,603.44 = 4,791.76 : x
  2. Step 2: Convert to fraction form
    5,068.78/7,603.44 = 4,791.76/x
  3. Step 3: Cross multiply
    5,068.78x = 7,603.44 × 4,791.76
  4. Step 4: Simplify right side
    5,068.78x = 36,433,859.65
  5. Step 5: Solve for x
    x = 36,433,859.65/5,068.78
  6. Step 6: Final answer
    x = 7,187.90

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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.