Home / 5,149.17-7,105.73-3,635.13

Finding the Fourth Proportional to 5,149.17, 7,105.73 and 3,635.13

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Solution

The fourth proportional to 5,149.17, 7,105.73 and 3,635.13 is: 5,016.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.17 : 7,105.73 = 3,635.13 : x
  2. Step 2: Convert to fraction form
    5,149.17/7,105.73 = 3,635.13/x
  3. Step 3: Cross multiply
    5,149.17x = 7,105.73 × 3,635.13
  4. Step 4: Simplify right side
    5,149.17x = 25,830,220.80
  5. Step 5: Solve for x
    x = 25,830,220.80/5,149.17
  6. Step 6: Final answer
    x = 5,016.39

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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.