Home / 4,781.10-7,172.13-2,007.42

Finding the Fourth Proportional to 4,781.10, 7,172.13 and 2,007.42

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Solution

The fourth proportional to 4,781.10, 7,172.13 and 2,007.42 is: 3,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.10 : 7,172.13 = 2,007.42 : x
  2. Step 2: Convert to fraction form
    4,781.10/7,172.13 = 2,007.42/x
  3. Step 3: Cross multiply
    4,781.10x = 7,172.13 × 2,007.42
  4. Step 4: Simplify right side
    4,781.10x = 14,397,477.20
  5. Step 5: Solve for x
    x = 14,397,477.20/4,781.10
  6. Step 6: Final answer
    x = 3,011.33

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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.