Home / 3,725.36-5,139.96-2,132

Finding the Fourth Proportional to 3,725.36, 5,139.96 and 2,132

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Solution

The fourth proportional to 3,725.36, 5,139.96 and 2,132 is: 2,941.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.36 : 5,139.96 = 2,132 : x
  2. Step 2: Convert to fraction form
    3,725.36/5,139.96 = 2,132/x
  3. Step 3: Cross multiply
    3,725.36x = 5,139.96 × 2,132
  4. Step 4: Simplify right side
    3,725.36x = 10,958,394.72
  5. Step 5: Solve for x
    x = 10,958,394.72/3,725.36
  6. Step 6: Final answer
    x = 2,941.57

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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.