Home / 7,261.18-10,890.25-2,065.66

Finding the Fourth Proportional to 7,261.18, 10,890.25 and 2,065.66

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Solution

The fourth proportional to 7,261.18, 10,890.25 and 2,065.66 is: 3,098.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.18 : 10,890.25 = 2,065.66 : x
  2. Step 2: Convert to fraction form
    7,261.18/10,890.25 = 2,065.66/x
  3. Step 3: Cross multiply
    7,261.18x = 10,890.25 × 2,065.66
  4. Step 4: Simplify right side
    7,261.18x = 22,495,553.82
  5. Step 5: Solve for x
    x = 22,495,553.82/7,261.18
  6. Step 6: Final answer
    x = 3,098.06

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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.