Home / 3,531.90-5,295.98-1,191.12

Finding the Fourth Proportional to 3,531.90, 5,295.98 and 1,191.12

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Solution

The fourth proportional to 3,531.90, 5,295.98 and 1,191.12 is: 1,786.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.90 : 5,295.98 = 1,191.12 : x
  2. Step 2: Convert to fraction form
    3,531.90/5,295.98 = 1,191.12/x
  3. Step 3: Cross multiply
    3,531.90x = 5,295.98 × 1,191.12
  4. Step 4: Simplify right side
    3,531.90x = 6,308,141.74
  5. Step 5: Solve for x
    x = 6,308,141.74/3,531.90
  6. Step 6: Final answer
    x = 1,786.05

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Similar ratio
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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.