Home / 3,628.98-5,008.08-2,212.74

Finding the Fourth Proportional to 3,628.98, 5,008.08 and 2,212.74

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Solution

The fourth proportional to 3,628.98, 5,008.08 and 2,212.74 is: 3,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.98 : 5,008.08 = 2,212.74 : x
  2. Step 2: Convert to fraction form
    3,628.98/5,008.08 = 2,212.74/x
  3. Step 3: Cross multiply
    3,628.98x = 5,008.08 × 2,212.74
  4. Step 4: Simplify right side
    3,628.98x = 11,081,578.94
  5. Step 5: Solve for x
    x = 11,081,578.94/3,628.98
  6. Step 6: Final answer
    x = 3,053.63

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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.