Home / 5,274.91-7,910.43-2,355.22

Finding the Fourth Proportional to 5,274.91, 7,910.43 and 2,355.22

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Solution

The fourth proportional to 5,274.91, 7,910.43 and 2,355.22 is: 3,531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.91 : 7,910.43 = 2,355.22 : x
  2. Step 2: Convert to fraction form
    5,274.91/7,910.43 = 2,355.22/x
  3. Step 3: Cross multiply
    5,274.91x = 7,910.43 × 2,355.22
  4. Step 4: Simplify right side
    5,274.91x = 18,630,802.94
  5. Step 5: Solve for x
    x = 18,630,802.94/5,274.91
  6. Step 6: Final answer
    x = 3,531.97

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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.