Home / 5,480.72-7,562.93-3,091.28

Finding the Fourth Proportional to 5,480.72, 7,562.93 and 3,091.28

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Solution

The fourth proportional to 5,480.72, 7,562.93 and 3,091.28 is: 4,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.72 : 7,562.93 = 3,091.28 : x
  2. Step 2: Convert to fraction form
    5,480.72/7,562.93 = 3,091.28/x
  3. Step 3: Cross multiply
    5,480.72x = 7,562.93 × 3,091.28
  4. Step 4: Simplify right side
    5,480.72x = 23,379,134.25
  5. Step 5: Solve for x
    x = 23,379,134.25/5,480.72
  6. Step 6: Final answer
    x = 4,265.70

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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.