Home / 2,711.19-3,741.86-1,968.52

Finding the Fourth Proportional to 2,711.19, 3,741.86 and 1,968.52

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Solution

The fourth proportional to 2,711.19, 3,741.86 and 1,968.52 is: 2,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.19 : 3,741.86 = 1,968.52 : x
  2. Step 2: Convert to fraction form
    2,711.19/3,741.86 = 1,968.52/x
  3. Step 3: Cross multiply
    2,711.19x = 3,741.86 × 1,968.52
  4. Step 4: Simplify right side
    2,711.19x = 7,365,926.25
  5. Step 5: Solve for x
    x = 7,365,926.25/2,711.19
  6. Step 6: Final answer
    x = 2,716.86

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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.