Home / 5,157.05-7,737.33-2,195.37

Finding the Fourth Proportional to 5,157.05, 7,737.33 and 2,195.37

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Solution

The fourth proportional to 5,157.05, 7,737.33 and 2,195.37 is: 3,293.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.05 : 7,737.33 = 2,195.37 : x
  2. Step 2: Convert to fraction form
    5,157.05/7,737.33 = 2,195.37/x
  3. Step 3: Cross multiply
    5,157.05x = 7,737.33 × 2,195.37
  4. Step 4: Simplify right side
    5,157.05x = 16,986,302.16
  5. Step 5: Solve for x
    x = 16,986,302.16/5,157.05
  6. Step 6: Final answer
    x = 3,293.81

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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.