Home / 3,007.62-4,148.41-2,759.76

Finding the Fourth Proportional to 3,007.62, 4,148.41 and 2,759.76

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Solution

The fourth proportional to 3,007.62, 4,148.41 and 2,759.76 is: 3,806.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.62 : 4,148.41 = 2,759.76 : x
  2. Step 2: Convert to fraction form
    3,007.62/4,148.41 = 2,759.76/x
  3. Step 3: Cross multiply
    3,007.62x = 4,148.41 × 2,759.76
  4. Step 4: Simplify right side
    3,007.62x = 11,448,615.98
  5. Step 5: Solve for x
    x = 11,448,615.98/3,007.62
  6. Step 6: Final answer
    x = 3,806.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.