Home / 7,757.12-11,633.16-3,373.28

Finding the Fourth Proportional to 7,757.12, 11,633.16 and 3,373.28

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Solution

The fourth proportional to 7,757.12, 11,633.16 and 3,373.28 is: 5,058.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,757.12 : 11,633.16 = 3,373.28 : x
  2. Step 2: Convert to fraction form
    7,757.12/11,633.16 = 3,373.28/x
  3. Step 3: Cross multiply
    7,757.12x = 11,633.16 × 3,373.28
  4. Step 4: Simplify right side
    7,757.12x = 39,241,905.96
  5. Step 5: Solve for x
    x = 39,241,905.96/7,757.12
  6. Step 6: Final answer
    x = 5,058.82

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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.