Home / 2,132.26-3,198.38-1,164.50

Finding the Fourth Proportional to 2,132.26, 3,198.38 and 1,164.50

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Solution

The fourth proportional to 2,132.26, 3,198.38 and 1,164.50 is: 1,746.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.26 : 3,198.38 = 1,164.50 : x
  2. Step 2: Convert to fraction form
    2,132.26/3,198.38 = 1,164.50/x
  3. Step 3: Cross multiply
    2,132.26x = 3,198.38 × 1,164.50
  4. Step 4: Simplify right side
    2,132.26x = 3,724,513.51
  5. Step 5: Solve for x
    x = 3,724,513.51/2,132.26
  6. Step 6: Final answer
    x = 1,746.74

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Double scale
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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.