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Finding the Fourth Proportional to 2,037.76, 3,057.85 and 739.33

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Solution

The fourth proportional to 2,037.76, 3,057.85 and 739.33 is: 1,109.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.76 : 3,057.85 = 739.33 : x
  2. Step 2: Convert to fraction form
    2,037.76/3,057.85 = 739.33/x
  3. Step 3: Cross multiply
    2,037.76x = 3,057.85 × 739.33
  4. Step 4: Simplify right side
    2,037.76x = 2,260,753.52
  5. Step 5: Solve for x
    x = 2,260,753.52/2,037.76
  6. Step 6: Final answer
    x = 1,109.43

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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.