Home / 5,135.33-7,704.03-2,173.76

Finding the Fourth Proportional to 5,135.33, 7,704.03 and 2,173.76

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Solution

The fourth proportional to 5,135.33, 7,704.03 and 2,173.76 is: 3,261.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.33 : 7,704.03 = 2,173.76 : x
  2. Step 2: Convert to fraction form
    5,135.33/7,704.03 = 2,173.76/x
  3. Step 3: Cross multiply
    5,135.33x = 7,704.03 × 2,173.76
  4. Step 4: Simplify right side
    5,135.33x = 16,746,741.88
  5. Step 5: Solve for x
    x = 16,746,741.88/5,135.33
  6. Step 6: Final answer
    x = 3,261.09

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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.