Home / 2,909.32-4,016.88-1,791.72

Finding the Fourth Proportional to 2,909.32, 4,016.88 and 1,791.72

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Solution

The fourth proportional to 2,909.32, 4,016.88 and 1,791.72 is: 2,473.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.32 : 4,016.88 = 1,791.72 : x
  2. Step 2: Convert to fraction form
    2,909.32/4,016.88 = 1,791.72/x
  3. Step 3: Cross multiply
    2,909.32x = 4,016.88 × 1,791.72
  4. Step 4: Simplify right side
    2,909.32x = 7,197,124.23
  5. Step 5: Solve for x
    x = 7,197,124.23/2,909.32
  6. Step 6: Final answer
    x = 2,473.82

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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.