Home / 7,132.46-10,700.39-2,135.25

Finding the Fourth Proportional to 7,132.46, 10,700.39 and 2,135.25

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Solution

The fourth proportional to 7,132.46, 10,700.39 and 2,135.25 is: 3,203.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.46 : 10,700.39 = 2,135.25 : x
  2. Step 2: Convert to fraction form
    7,132.46/10,700.39 = 2,135.25/x
  3. Step 3: Cross multiply
    7,132.46x = 10,700.39 × 2,135.25
  4. Step 4: Simplify right side
    7,132.46x = 22,848,013.09
  5. Step 5: Solve for x
    x = 22,848,013.09/7,132.46
  6. Step 6: Final answer
    x = 3,203.39

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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.