Home / 2,772.62-4,137.03-2,709.59

Finding the Fourth Proportional to 2,772.62, 4,137.03 and 2,709.59

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Solution

The fourth proportional to 2,772.62, 4,137.03 and 2,709.59 is: 4,042.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.62 : 4,137.03 = 2,709.59 : x
  2. Step 2: Convert to fraction form
    2,772.62/4,137.03 = 2,709.59/x
  3. Step 3: Cross multiply
    2,772.62x = 4,137.03 × 2,709.59
  4. Step 4: Simplify right side
    2,772.62x = 11,209,634.43
  5. Step 5: Solve for x
    x = 11,209,634.43/2,772.62
  6. Step 6: Final answer
    x = 4,042.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.