Home / 5,157.45-7,737.99-2,235.36

Finding the Fourth Proportional to 5,157.45, 7,737.99 and 2,235.36

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Solution

The fourth proportional to 5,157.45, 7,737.99 and 2,235.36 is: 3,353.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.45 : 7,737.99 = 2,235.36 : x
  2. Step 2: Convert to fraction form
    5,157.45/7,737.99 = 2,235.36/x
  3. Step 3: Cross multiply
    5,157.45x = 7,737.99 × 2,235.36
  4. Step 4: Simplify right side
    5,157.45x = 17,297,193.33
  5. Step 5: Solve for x
    x = 17,297,193.33/5,157.45
  6. Step 6: Final answer
    x = 3,353.83

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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.