Home / 3,107.08-4,659.38-1,158.22

Finding the Fourth Proportional to 3,107.08, 4,659.38 and 1,158.22

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Solution

The fourth proportional to 3,107.08, 4,659.38 and 1,158.22 is: 1,736.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.08 : 4,659.38 = 1,158.22 : x
  2. Step 2: Convert to fraction form
    3,107.08/4,659.38 = 1,158.22/x
  3. Step 3: Cross multiply
    3,107.08x = 4,659.38 × 1,158.22
  4. Step 4: Simplify right side
    3,107.08x = 5,396,587.10
  5. Step 5: Solve for x
    x = 5,396,587.10/3,107.08
  6. Step 6: Final answer
    x = 1,736.87

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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.