Home / 2,849.79-3,934.94-2,185.59

Finding the Fourth Proportional to 2,849.79, 3,934.94 and 2,185.59

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Solution

The fourth proportional to 2,849.79, 3,934.94 and 2,185.59 is: 3,017.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.79 : 3,934.94 = 2,185.59 : x
  2. Step 2: Convert to fraction form
    2,849.79/3,934.94 = 2,185.59/x
  3. Step 3: Cross multiply
    2,849.79x = 3,934.94 × 2,185.59
  4. Step 4: Simplify right side
    2,849.79x = 8,600,154.59
  5. Step 5: Solve for x
    x = 8,600,154.59/2,849.79
  6. Step 6: Final answer
    x = 3,017.82

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