Home / 5,490.87-8,237.22-2,717.64

Finding the Fourth Proportional to 5,490.87, 8,237.22 and 2,717.64

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Solution

The fourth proportional to 5,490.87, 8,237.22 and 2,717.64 is: 4,076.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.87 : 8,237.22 = 2,717.64 : x
  2. Step 2: Convert to fraction form
    5,490.87/8,237.22 = 2,717.64/x
  3. Step 3: Cross multiply
    5,490.87x = 8,237.22 × 2,717.64
  4. Step 4: Simplify right side
    5,490.87x = 22,385,798.56
  5. Step 5: Solve for x
    x = 22,385,798.56/5,490.87
  6. Step 6: Final answer
    x = 4,076.91

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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.