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Finding the Fourth Proportional to 3,740.53, 5,611.03 and 1,889.48

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Solution

The fourth proportional to 3,740.53, 5,611.03 and 1,889.48 is: 2,834.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.53 : 5,611.03 = 1,889.48 : x
  2. Step 2: Convert to fraction form
    3,740.53/5,611.03 = 1,889.48/x
  3. Step 3: Cross multiply
    3,740.53x = 5,611.03 × 1,889.48
  4. Step 4: Simplify right side
    3,740.53x = 10,601,928.96
  5. Step 5: Solve for x
    x = 10,601,928.96/3,740.53
  6. Step 6: Final answer
    x = 2,834.34

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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.