Home / 6,507.14-9,761.31-2,125.04

Finding the Fourth Proportional to 6,507.14, 9,761.31 and 2,125.04

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Solution

The fourth proportional to 6,507.14, 9,761.31 and 2,125.04 is: 3,187.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,507.14 : 9,761.31 = 2,125.04 : x
  2. Step 2: Convert to fraction form
    6,507.14/9,761.31 = 2,125.04/x
  3. Step 3: Cross multiply
    6,507.14x = 9,761.31 × 2,125.04
  4. Step 4: Simplify right side
    6,507.14x = 20,743,125.40
  5. Step 5: Solve for x
    x = 20,743,125.40/6,507.14
  6. Step 6: Final answer
    x = 3,187.75

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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.