Home / 5,416.88-8,121.67-2,493.59

Finding the Fourth Proportional to 5,416.88, 8,121.67 and 2,493.59

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Solution

The fourth proportional to 5,416.88, 8,121.67 and 2,493.59 is: 3,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.88 : 8,121.67 = 2,493.59 : x
  2. Step 2: Convert to fraction form
    5,416.88/8,121.67 = 2,493.59/x
  3. Step 3: Cross multiply
    5,416.88x = 8,121.67 × 2,493.59
  4. Step 4: Simplify right side
    5,416.88x = 20,252,068.25
  5. Step 5: Solve for x
    x = 20,252,068.25/5,416.88
  6. Step 6: Final answer
    x = 3,738.70

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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.