Home / 3,973.73-5,483.81-2,181.37

Finding the Fourth Proportional to 3,973.73, 5,483.81 and 2,181.37

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Solution

The fourth proportional to 3,973.73, 5,483.81 and 2,181.37 is: 3,010.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.73 : 5,483.81 = 2,181.37 : x
  2. Step 2: Convert to fraction form
    3,973.73/5,483.81 = 2,181.37/x
  3. Step 3: Cross multiply
    3,973.73x = 5,483.81 × 2,181.37
  4. Step 4: Simplify right side
    3,973.73x = 11,962,223.80
  5. Step 5: Solve for x
    x = 11,962,223.80/3,973.73
  6. Step 6: Final answer
    x = 3,010.33

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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.