Home / 5,417.16-8,120.86-2,493.96

Finding the Fourth Proportional to 5,417.16, 8,120.86 and 2,493.96

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Solution

The fourth proportional to 5,417.16, 8,120.86 and 2,493.96 is: 3,738.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.16 : 8,120.86 = 2,493.96 : x
  2. Step 2: Convert to fraction form
    5,417.16/8,120.86 = 2,493.96/x
  3. Step 3: Cross multiply
    5,417.16x = 8,120.86 × 2,493.96
  4. Step 4: Simplify right side
    5,417.16x = 20,253,100.01
  5. Step 5: Solve for x
    x = 20,253,100.01/5,417.16
  6. Step 6: Final answer
    x = 3,738.69

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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.