Home / 5,385.45-7,431.92-3,027.58

Finding the Fourth Proportional to 5,385.45, 7,431.92 and 3,027.58

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Solution

The fourth proportional to 5,385.45, 7,431.92 and 3,027.58 is: 4,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.45 : 7,431.92 = 3,027.58 : x
  2. Step 2: Convert to fraction form
    5,385.45/7,431.92 = 3,027.58/x
  3. Step 3: Cross multiply
    5,385.45x = 7,431.92 × 3,027.58
  4. Step 4: Simplify right side
    5,385.45x = 22,500,709.99
  5. Step 5: Solve for x
    x = 22,500,709.99/5,385.45
  6. Step 6: Final answer
    x = 4,178.05

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