Home / 4,782.72-7,175.04-1,704.96

Finding the Fourth Proportional to 4,782.72, 7,175.04 and 1,704.96

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Solution

The fourth proportional to 4,782.72, 7,175.04 and 1,704.96 is: 2,557.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.72 : 7,175.04 = 1,704.96 : x
  2. Step 2: Convert to fraction form
    4,782.72/7,175.04 = 1,704.96/x
  3. Step 3: Cross multiply
    4,782.72x = 7,175.04 × 1,704.96
  4. Step 4: Simplify right side
    4,782.72x = 12,233,156.20
  5. Step 5: Solve for x
    x = 12,233,156.20/4,782.72
  6. Step 6: Final answer
    x = 2,557.78

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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.