Home / 2,231.04-3,346.72-1,135.11

Finding the Fourth Proportional to 2,231.04, 3,346.72 and 1,135.11

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Solution

The fourth proportional to 2,231.04, 3,346.72 and 1,135.11 is: 1,702.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.04 : 3,346.72 = 1,135.11 : x
  2. Step 2: Convert to fraction form
    2,231.04/3,346.72 = 1,135.11/x
  3. Step 3: Cross multiply
    2,231.04x = 3,346.72 × 1,135.11
  4. Step 4: Simplify right side
    2,231.04x = 3,798,905.05
  5. Step 5: Solve for x
    x = 3,798,905.05/2,231.04
  6. Step 6: Final answer
    x = 1,702.75

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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.