Home / 5,368.20-7,408.19-3,243.43

Finding the Fourth Proportional to 5,368.20, 7,408.19 and 3,243.43

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Solution

The fourth proportional to 5,368.20, 7,408.19 and 3,243.43 is: 4,475.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.20 : 7,408.19 = 3,243.43 : x
  2. Step 2: Convert to fraction form
    5,368.20/7,408.19 = 3,243.43/x
  3. Step 3: Cross multiply
    5,368.20x = 7,408.19 × 3,243.43
  4. Step 4: Simplify right side
    5,368.20x = 24,027,929.47
  5. Step 5: Solve for x
    x = 24,027,929.47/5,368.20
  6. Step 6: Final answer
    x = 4,475.98

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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.