Home / 3,852.96-5,317.31-2,174.43

Finding the Fourth Proportional to 3,852.96, 5,317.31 and 2,174.43

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Solution

The fourth proportional to 3,852.96, 5,317.31 and 2,174.43 is: 3,000.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.96 : 5,317.31 = 2,174.43 : x
  2. Step 2: Convert to fraction form
    3,852.96/5,317.31 = 2,174.43/x
  3. Step 3: Cross multiply
    3,852.96x = 5,317.31 × 2,174.43
  4. Step 4: Simplify right side
    3,852.96x = 11,562,118.38
  5. Step 5: Solve for x
    x = 11,562,118.38/3,852.96
  6. Step 6: Final answer
    x = 3,000.84

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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.