Home / 3,933.96-5,907.21-2,291.70

Finding the Fourth Proportional to 3,933.96, 5,907.21 and 2,291.70

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Solution

The fourth proportional to 3,933.96, 5,907.21 and 2,291.70 is: 3,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.96 : 5,907.21 = 2,291.70 : x
  2. Step 2: Convert to fraction form
    3,933.96/5,907.21 = 2,291.70/x
  3. Step 3: Cross multiply
    3,933.96x = 5,907.21 × 2,291.70
  4. Step 4: Simplify right side
    3,933.96x = 13,537,553.16
  5. Step 5: Solve for x
    x = 13,537,553.16/3,933.96
  6. Step 6: Final answer
    x = 3,441.20

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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.