Home / 4,809.12-7,216.38-2,212.26

Finding the Fourth Proportional to 4,809.12, 7,216.38 and 2,212.26

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Solution

The fourth proportional to 4,809.12, 7,216.38 and 2,212.26 is: 3,319.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.12 : 7,216.38 = 2,212.26 : x
  2. Step 2: Convert to fraction form
    4,809.12/7,216.38 = 2,212.26/x
  3. Step 3: Cross multiply
    4,809.12x = 7,216.38 × 2,212.26
  4. Step 4: Simplify right side
    4,809.12x = 15,964,508.82
  5. Step 5: Solve for x
    x = 15,964,508.82/4,809.12
  6. Step 6: Final answer
    x = 3,319.63

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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.