Home / 3,820.96-5,736.75-1,973.44

Finding the Fourth Proportional to 3,820.96, 5,736.75 and 1,973.44

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Solution

The fourth proportional to 3,820.96, 5,736.75 and 1,973.44 is: 2,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.96 : 5,736.75 = 1,973.44 : x
  2. Step 2: Convert to fraction form
    3,820.96/5,736.75 = 1,973.44/x
  3. Step 3: Cross multiply
    3,820.96x = 5,736.75 × 1,973.44
  4. Step 4: Simplify right side
    3,820.96x = 11,321,131.92
  5. Step 5: Solve for x
    x = 11,321,131.92/3,820.96
  6. Step 6: Final answer
    x = 2,962.90

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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.