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Finding the Fourth Proportional to 2,735.88, 3,775.10 and 1,540.70

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Solution

The fourth proportional to 2,735.88, 3,775.10 and 1,540.70 is: 2,125.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.88 : 3,775.10 = 1,540.70 : x
  2. Step 2: Convert to fraction form
    2,735.88/3,775.10 = 1,540.70/x
  3. Step 3: Cross multiply
    2,735.88x = 3,775.10 × 1,540.70
  4. Step 4: Simplify right side
    2,735.88x = 5,816,277.69
  5. Step 5: Solve for x
    x = 5,816,277.69/2,735.88
  6. Step 6: Final answer
    x = 2,125.93

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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.