Home / 3,451.07-5,165.40-2,281.97

Finding the Fourth Proportional to 3,451.07, 5,165.40 and 2,281.97

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Solution

The fourth proportional to 3,451.07, 5,165.40 and 2,281.97 is: 3,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.07 : 5,165.40 = 2,281.97 : x
  2. Step 2: Convert to fraction form
    3,451.07/5,165.40 = 2,281.97/x
  3. Step 3: Cross multiply
    3,451.07x = 5,165.40 × 2,281.97
  4. Step 4: Simplify right side
    3,451.07x = 11,787,287.84
  5. Step 5: Solve for x
    x = 11,787,287.84/3,451.07
  6. Step 6: Final answer
    x = 3,415.55

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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.