Home / 2,729.89-3,767.26-1,518.59

Finding the Fourth Proportional to 2,729.89, 3,767.26 and 1,518.59

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Solution

The fourth proportional to 2,729.89, 3,767.26 and 1,518.59 is: 2,095.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.89 : 3,767.26 = 1,518.59 : x
  2. Step 2: Convert to fraction form
    2,729.89/3,767.26 = 1,518.59/x
  3. Step 3: Cross multiply
    2,729.89x = 3,767.26 × 1,518.59
  4. Step 4: Simplify right side
    2,729.89x = 5,720,928.99
  5. Step 5: Solve for x
    x = 5,720,928.99/2,729.89
  6. Step 6: Final answer
    x = 2,095.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.