Home / 2,146.68-2,961.72-1,202.33

Finding the Fourth Proportional to 2,146.68, 2,961.72 and 1,202.33

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Solution

The fourth proportional to 2,146.68, 2,961.72 and 1,202.33 is: 1,658.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.68 : 2,961.72 = 1,202.33 : x
  2. Step 2: Convert to fraction form
    2,146.68/2,961.72 = 1,202.33/x
  3. Step 3: Cross multiply
    2,146.68x = 2,961.72 × 1,202.33
  4. Step 4: Simplify right side
    2,146.68x = 3,560,950.00
  5. Step 5: Solve for x
    x = 3,560,950.00/2,146.68
  6. Step 6: Final answer
    x = 1,658.82

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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.