Home / 5,245.58-7,873.23-2,650.34

Finding the Fourth Proportional to 5,245.58, 7,873.23 and 2,650.34

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Solution

The fourth proportional to 5,245.58, 7,873.23 and 2,650.34 is: 3,977.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.58 : 7,873.23 = 2,650.34 : x
  2. Step 2: Convert to fraction form
    5,245.58/7,873.23 = 2,650.34/x
  3. Step 3: Cross multiply
    5,245.58x = 7,873.23 × 2,650.34
  4. Step 4: Simplify right side
    5,245.58x = 20,866,736.40
  5. Step 5: Solve for x
    x = 20,866,736.40/5,245.58
  6. Step 6: Final answer
    x = 3,977.97

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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.