Home / 5,418.48-7,477.40-3,028.44

Finding the Fourth Proportional to 5,418.48, 7,477.40 and 3,028.44

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Solution

The fourth proportional to 5,418.48, 7,477.40 and 3,028.44 is: 4,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.48 : 7,477.40 = 3,028.44 : x
  2. Step 2: Convert to fraction form
    5,418.48/7,477.40 = 3,028.44/x
  3. Step 3: Cross multiply
    5,418.48x = 7,477.40 × 3,028.44
  4. Step 4: Simplify right side
    5,418.48x = 22,644,842.11
  5. Step 5: Solve for x
    x = 22,644,842.11/5,418.48
  6. Step 6: Final answer
    x = 4,179.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.