Home / 3,309.49-4,964.37-1,118.44

Finding the Fourth Proportional to 3,309.49, 4,964.37 and 1,118.44

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Solution

The fourth proportional to 3,309.49, 4,964.37 and 1,118.44 is: 1,677.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.49 : 4,964.37 = 1,118.44 : x
  2. Step 2: Convert to fraction form
    3,309.49/4,964.37 = 1,118.44/x
  3. Step 3: Cross multiply
    3,309.49x = 4,964.37 × 1,118.44
  4. Step 4: Simplify right side
    3,309.49x = 5,552,349.98
  5. Step 5: Solve for x
    x = 5,552,349.98/3,309.49
  6. Step 6: Final answer
    x = 1,677.71

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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.