Home / 5,174.63-7,755.86-2,395.43

Finding the Fourth Proportional to 5,174.63, 7,755.86 and 2,395.43

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Solution

The fourth proportional to 5,174.63, 7,755.86 and 2,395.43 is: 3,590.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.63 : 7,755.86 = 2,395.43 : x
  2. Step 2: Convert to fraction form
    5,174.63/7,755.86 = 2,395.43/x
  3. Step 3: Cross multiply
    5,174.63x = 7,755.86 × 2,395.43
  4. Step 4: Simplify right side
    5,174.63x = 18,578,619.72
  5. Step 5: Solve for x
    x = 18,578,619.72/5,174.63
  6. Step 6: Final answer
    x = 3,590.33

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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.