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Finding the Fourth Proportional to 6,757.34, 10,137.60 and 2,140.34

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Solution

The fourth proportional to 6,757.34, 10,137.60 and 2,140.34 is: 3,211.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,757.34 : 10,137.60 = 2,140.34 : x
  2. Step 2: Convert to fraction form
    6,757.34/10,137.60 = 2,140.34/x
  3. Step 3: Cross multiply
    6,757.34x = 10,137.60 × 2,140.34
  4. Step 4: Simplify right side
    6,757.34x = 21,697,860.10
  5. Step 5: Solve for x
    x = 21,697,860.10/6,757.34
  6. Step 6: Final answer
    x = 3,211.01

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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.