Home / 5,318.94-7,340.35-3,080.78

Finding the Fourth Proportional to 5,318.94, 7,340.35 and 3,080.78

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Solution

The fourth proportional to 5,318.94, 7,340.35 and 3,080.78 is: 4,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.94 : 7,340.35 = 3,080.78 : x
  2. Step 2: Convert to fraction form
    5,318.94/7,340.35 = 3,080.78/x
  3. Step 3: Cross multiply
    5,318.94x = 7,340.35 × 3,080.78
  4. Step 4: Simplify right side
    5,318.94x = 22,614,003.47
  5. Step 5: Solve for x
    x = 22,614,003.47/5,318.94
  6. Step 6: Final answer
    x = 4,251.60

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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.