Home / 3,774.18-5,208.66-2,202.51

Finding the Fourth Proportional to 3,774.18, 5,208.66 and 2,202.51

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Solution

The fourth proportional to 3,774.18, 5,208.66 and 2,202.51 is: 3,039.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.18 : 5,208.66 = 2,202.51 : x
  2. Step 2: Convert to fraction form
    3,774.18/5,208.66 = 2,202.51/x
  3. Step 3: Cross multiply
    3,774.18x = 5,208.66 × 2,202.51
  4. Step 4: Simplify right side
    3,774.18x = 11,472,125.74
  5. Step 5: Solve for x
    x = 11,472,125.74/3,774.18
  6. Step 6: Final answer
    x = 3,039.63

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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.