Home / 5,440.05-8,157.65-3,356.87

Finding the Fourth Proportional to 5,440.05, 8,157.65 and 3,356.87

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Solution

The fourth proportional to 5,440.05, 8,157.65 and 3,356.87 is: 5,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.05 : 8,157.65 = 3,356.87 : x
  2. Step 2: Convert to fraction form
    5,440.05/8,157.65 = 3,356.87/x
  3. Step 3: Cross multiply
    5,440.05x = 8,157.65 × 3,356.87
  4. Step 4: Simplify right side
    5,440.05x = 27,384,112.98
  5. Step 5: Solve for x
    x = 27,384,112.98/5,440.05
  6. Step 6: Final answer
    x = 5,033.80

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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.