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Finding the Fourth Proportional to 2,757.98, 4,127.07 and 2,025.74

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Solution

The fourth proportional to 2,757.98, 4,127.07 and 2,025.74 is: 3,031.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.98 : 4,127.07 = 2,025.74 : x
  2. Step 2: Convert to fraction form
    2,757.98/4,127.07 = 2,025.74/x
  3. Step 3: Cross multiply
    2,757.98x = 4,127.07 × 2,025.74
  4. Step 4: Simplify right side
    2,757.98x = 8,360,370.78
  5. Step 5: Solve for x
    x = 8,360,370.78/2,757.98
  6. Step 6: Final answer
    x = 3,031.34

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1.5x scale

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.