Home / 5,470.65-8,194.64-2,551.41

Finding the Fourth Proportional to 5,470.65, 8,194.64 and 2,551.41

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Solution

The fourth proportional to 5,470.65, 8,194.64 and 2,551.41 is: 3,821.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.65 : 8,194.64 = 2,551.41 : x
  2. Step 2: Convert to fraction form
    5,470.65/8,194.64 = 2,551.41/x
  3. Step 3: Cross multiply
    5,470.65x = 8,194.64 × 2,551.41
  4. Step 4: Simplify right side
    5,470.65x = 20,907,873.69
  5. Step 5: Solve for x
    x = 20,907,873.69/5,470.65
  6. Step 6: Final answer
    x = 3,821.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.