Home / 5,918.44-8,169.79-3,560.13

Finding the Fourth Proportional to 5,918.44, 8,169.79 and 3,560.13

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Solution

The fourth proportional to 5,918.44, 8,169.79 and 3,560.13 is: 4,914.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.44 : 8,169.79 = 3,560.13 : x
  2. Step 2: Convert to fraction form
    5,918.44/8,169.79 = 3,560.13/x
  3. Step 3: Cross multiply
    5,918.44x = 8,169.79 × 3,560.13
  4. Step 4: Simplify right side
    5,918.44x = 29,085,496.67
  5. Step 5: Solve for x
    x = 29,085,496.67/5,918.44
  6. Step 6: Final answer
    x = 4,914.39

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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.