Home / 3,531.22-5,297.63-1,191.15

Finding the Fourth Proportional to 3,531.22, 5,297.63 and 1,191.15

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Solution

The fourth proportional to 3,531.22, 5,297.63 and 1,191.15 is: 1,786.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.22 : 5,297.63 = 1,191.15 : x
  2. Step 2: Convert to fraction form
    3,531.22/5,297.63 = 1,191.15/x
  3. Step 3: Cross multiply
    3,531.22x = 5,297.63 × 1,191.15
  4. Step 4: Simplify right side
    3,531.22x = 6,310,266.02
  5. Step 5: Solve for x
    x = 6,310,266.02/3,531.22
  6. Step 6: Final answer
    x = 1,786.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.