Home / 5,091.16-7,021.98-3,414.46

Finding the Fourth Proportional to 5,091.16, 7,021.98 and 3,414.46

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Solution

The fourth proportional to 5,091.16, 7,021.98 and 3,414.46 is: 4,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.16 : 7,021.98 = 3,414.46 : x
  2. Step 2: Convert to fraction form
    5,091.16/7,021.98 = 3,414.46/x
  3. Step 3: Cross multiply
    5,091.16x = 7,021.98 × 3,414.46
  4. Step 4: Simplify right side
    5,091.16x = 23,976,269.83
  5. Step 5: Solve for x
    x = 23,976,269.83/5,091.16
  6. Step 6: Final answer
    x = 4,709.39

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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.