Home / 2,133.75-2,944.58-1,202.25

Finding the Fourth Proportional to 2,133.75, 2,944.58 and 1,202.25

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Solution

The fourth proportional to 2,133.75, 2,944.58 and 1,202.25 is: 1,659.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.75 : 2,944.58 = 1,202.25 : x
  2. Step 2: Convert to fraction form
    2,133.75/2,944.58 = 1,202.25/x
  3. Step 3: Cross multiply
    2,133.75x = 2,944.58 × 1,202.25
  4. Step 4: Simplify right side
    2,133.75x = 3,540,115.29
  5. Step 5: Solve for x
    x = 3,540,115.29/2,133.75
  6. Step 6: Final answer
    x = 1,659.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.