Home / 5,370.45-8,052.39-4,912.08

Finding the Fourth Proportional to 5,370.45, 8,052.39 and 4,912.08

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Solution

The fourth proportional to 5,370.45, 8,052.39 and 4,912.08 is: 7,365.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.45 : 8,052.39 = 4,912.08 : x
  2. Step 2: Convert to fraction form
    5,370.45/8,052.39 = 4,912.08/x
  3. Step 3: Cross multiply
    5,370.45x = 8,052.39 × 4,912.08
  4. Step 4: Simplify right side
    5,370.45x = 39,553,983.87
  5. Step 5: Solve for x
    x = 39,553,983.87/5,370.45
  6. Step 6: Final answer
    x = 7,365.12

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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.