Home / 5,080.92-7,012.84-3,309.44

Finding the Fourth Proportional to 5,080.92, 7,012.84 and 3,309.44

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Solution

The fourth proportional to 5,080.92, 7,012.84 and 3,309.44 is: 4,567.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.92 : 7,012.84 = 3,309.44 : x
  2. Step 2: Convert to fraction form
    5,080.92/7,012.84 = 3,309.44/x
  3. Step 3: Cross multiply
    5,080.92x = 7,012.84 × 3,309.44
  4. Step 4: Simplify right side
    5,080.92x = 23,208,573.21
  5. Step 5: Solve for x
    x = 23,208,573.21/5,080.92
  6. Step 6: Final answer
    x = 4,567.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.