Home / 2,173.92-3,259.26-1,308.03

Finding the Fourth Proportional to 2,173.92, 3,259.26 and 1,308.03

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Solution

The fourth proportional to 2,173.92, 3,259.26 and 1,308.03 is: 1,961.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.92 : 3,259.26 = 1,308.03 : x
  2. Step 2: Convert to fraction form
    2,173.92/3,259.26 = 1,308.03/x
  3. Step 3: Cross multiply
    2,173.92x = 3,259.26 × 1,308.03
  4. Step 4: Simplify right side
    2,173.92x = 4,263,209.86
  5. Step 5: Solve for x
    x = 4,263,209.86/2,173.92
  6. Step 6: Final answer
    x = 1,961.07

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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.