Home / 5,146.82-7,100.00-3,255.21

Finding the Fourth Proportional to 5,146.82, 7,100.00 and 3,255.21

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Solution

The fourth proportional to 5,146.82, 7,100.00 and 3,255.21 is: 4,490.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.82 : 7,100.00 = 3,255.21 : x
  2. Step 2: Convert to fraction form
    5,146.82/7,100.00 = 3,255.21/x
  3. Step 3: Cross multiply
    5,146.82x = 7,100.00 × 3,255.21
  4. Step 4: Simplify right side
    5,146.82x = 23,112,013.56
  5. Step 5: Solve for x
    x = 23,112,013.56/5,146.82
  6. Step 6: Final answer
    x = 4,490.54

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1.5x scale

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.