Home / 6,940.46-9,582.48-4,108.75

Finding the Fourth Proportional to 6,940.46, 9,582.48 and 4,108.75

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Solution

The fourth proportional to 6,940.46, 9,582.48 and 4,108.75 is: 5,672.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.46 : 9,582.48 = 4,108.75 : x
  2. Step 2: Convert to fraction form
    6,940.46/9,582.48 = 4,108.75/x
  3. Step 3: Cross multiply
    6,940.46x = 9,582.48 × 4,108.75
  4. Step 4: Simplify right side
    6,940.46x = 39,372,006.14
  5. Step 5: Solve for x
    x = 39,372,006.14/6,940.46
  6. Step 6: Final answer
    x = 5,672.82

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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.