Home / 5,131.75-7,697.99-1,844.86

Finding the Fourth Proportional to 5,131.75, 7,697.99 and 1,844.86

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Solution

The fourth proportional to 5,131.75, 7,697.99 and 1,844.86 is: 2,767.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.75 : 7,697.99 = 1,844.86 : x
  2. Step 2: Convert to fraction form
    5,131.75/7,697.99 = 1,844.86/x
  3. Step 3: Cross multiply
    5,131.75x = 7,697.99 × 1,844.86
  4. Step 4: Simplify right side
    5,131.75x = 14,201,713.83
  5. Step 5: Solve for x
    x = 14,201,713.83/5,131.75
  6. Step 6: Final answer
    x = 2,767.42

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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.