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Finding the Fourth Proportional to 3,735.56, 5,154.12 and 2,163.56

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Solution

The fourth proportional to 3,735.56, 5,154.12 and 2,163.56 is: 2,985.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,735.56 : 5,154.12 = 2,163.56 : x
  2. Step 2: Convert to fraction form
    3,735.56/5,154.12 = 2,163.56/x
  3. Step 3: Cross multiply
    3,735.56x = 5,154.12 × 2,163.56
  4. Step 4: Simplify right side
    3,735.56x = 11,151,247.87
  5. Step 5: Solve for x
    x = 11,151,247.87/3,735.56
  6. Step 6: Final answer
    x = 2,985.16

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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.