Home / 4,759.10-7,138.64-1,472.12

Finding the Fourth Proportional to 4,759.10, 7,138.64 and 1,472.12

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Solution

The fourth proportional to 4,759.10, 7,138.64 and 1,472.12 is: 2,208.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.10 : 7,138.64 = 1,472.12 : x
  2. Step 2: Convert to fraction form
    4,759.10/7,138.64 = 1,472.12/x
  3. Step 3: Cross multiply
    4,759.10x = 7,138.64 × 1,472.12
  4. Step 4: Simplify right side
    4,759.10x = 10,508,902.70
  5. Step 5: Solve for x
    x = 10,508,902.70/4,759.10
  6. Step 6: Final answer
    x = 2,208.17

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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.