Home / 6,507.12-9,761.19-2,125.02

Finding the Fourth Proportional to 6,507.12, 9,761.19 and 2,125.02

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Solution

The fourth proportional to 6,507.12, 9,761.19 and 2,125.02 is: 3,187.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,507.12 : 9,761.19 = 2,125.02 : x
  2. Step 2: Convert to fraction form
    6,507.12/9,761.19 = 2,125.02/x
  3. Step 3: Cross multiply
    6,507.12x = 9,761.19 × 2,125.02
  4. Step 4: Simplify right side
    6,507.12x = 20,742,723.97
  5. Step 5: Solve for x
    x = 20,742,723.97/6,507.12
  6. Step 6: Final answer
    x = 3,187.70

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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.