Home / 3,059.14-4,589.46-979.15

Finding the Fourth Proportional to 3,059.14, 4,589.46 and 979.15

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Solution

The fourth proportional to 3,059.14, 4,589.46 and 979.15 is: 1,468.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.14 : 4,589.46 = 979.15 : x
  2. Step 2: Convert to fraction form
    3,059.14/4,589.46 = 979.15/x
  3. Step 3: Cross multiply
    3,059.14x = 4,589.46 × 979.15
  4. Step 4: Simplify right side
    3,059.14x = 4,493,769.76
  5. Step 5: Solve for x
    x = 4,493,769.76/3,059.14
  6. Step 6: Final answer
    x = 1,468.97

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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.