Home / 5,329.46-7,993.89-1,631.68

Finding the Fourth Proportional to 5,329.46, 7,993.89 and 1,631.68

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Solution

The fourth proportional to 5,329.46, 7,993.89 and 1,631.68 is: 2,447.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.46 : 7,993.89 = 1,631.68 : x
  2. Step 2: Convert to fraction form
    5,329.46/7,993.89 = 1,631.68/x
  3. Step 3: Cross multiply
    5,329.46x = 7,993.89 × 1,631.68
  4. Step 4: Simplify right side
    5,329.46x = 13,043,470.44
  5. Step 5: Solve for x
    x = 13,043,470.44/5,329.46
  6. Step 6: Final answer
    x = 2,447.43

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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.