Home / 5,175.05-7,764.98-2,214.39

Finding the Fourth Proportional to 5,175.05, 7,764.98 and 2,214.39

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Solution

The fourth proportional to 5,175.05, 7,764.98 and 2,214.39 is: 3,322.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.05 : 7,764.98 = 2,214.39 : x
  2. Step 2: Convert to fraction form
    5,175.05/7,764.98 = 2,214.39/x
  3. Step 3: Cross multiply
    5,175.05x = 7,764.98 × 2,214.39
  4. Step 4: Simplify right side
    5,175.05x = 17,194,712.11
  5. Step 5: Solve for x
    x = 17,194,712.11/5,175.05
  6. Step 6: Final answer
    x = 3,322.62

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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.