Home / 5,551.22-7,661.77-3,564.29

Finding the Fourth Proportional to 5,551.22, 7,661.77 and 3,564.29

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Solution

The fourth proportional to 5,551.22, 7,661.77 and 3,564.29 is: 4,919.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.22 : 7,661.77 = 3,564.29 : x
  2. Step 2: Convert to fraction form
    5,551.22/7,661.77 = 3,564.29/x
  3. Step 3: Cross multiply
    5,551.22x = 7,661.77 × 3,564.29
  4. Step 4: Simplify right side
    5,551.22x = 27,308,780.44
  5. Step 5: Solve for x
    x = 27,308,780.44/5,551.22
  6. Step 6: Final answer
    x = 4,919.42

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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.