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Finding the Fourth Proportional to 3,958.99, 5,938.49 and 1,037.30

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Solution

The fourth proportional to 3,958.99, 5,938.49 and 1,037.30 is: 1,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.99 : 5,938.49 = 1,037.30 : x
  2. Step 2: Convert to fraction form
    3,958.99/5,938.49 = 1,037.30/x
  3. Step 3: Cross multiply
    3,958.99x = 5,938.49 × 1,037.30
  4. Step 4: Simplify right side
    3,958.99x = 6,159,995.68
  5. Step 5: Solve for x
    x = 6,159,995.68/3,958.99
  6. Step 6: Final answer
    x = 1,555.95

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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.