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Finding the Fourth Proportional to 3,950.37, 5,920.29 and 1,482.30

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Solution

The fourth proportional to 3,950.37, 5,920.29 and 1,482.30 is: 2,221.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.37 : 5,920.29 = 1,482.30 : x
  2. Step 2: Convert to fraction form
    3,950.37/5,920.29 = 1,482.30/x
  3. Step 3: Cross multiply
    3,950.37x = 5,920.29 × 1,482.30
  4. Step 4: Simplify right side
    3,950.37x = 8,775,645.87
  5. Step 5: Solve for x
    x = 8,775,645.87/3,950.37
  6. Step 6: Final answer
    x = 2,221.47

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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.