Home / 5,299.67-7,311.86-3,061.25

Finding the Fourth Proportional to 5,299.67, 7,311.86 and 3,061.25

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Solution

The fourth proportional to 5,299.67, 7,311.86 and 3,061.25 is: 4,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.67 : 7,311.86 = 3,061.25 : x
  2. Step 2: Convert to fraction form
    5,299.67/7,311.86 = 3,061.25/x
  3. Step 3: Cross multiply
    5,299.67x = 7,311.86 × 3,061.25
  4. Step 4: Simplify right side
    5,299.67x = 22,383,416.12
  5. Step 5: Solve for x
    x = 22,383,416.12/5,299.67
  6. Step 6: Final answer
    x = 4,223.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.