Home / 2,133.53-2,944.28-1,249.16

Finding the Fourth Proportional to 2,133.53, 2,944.28 and 1,249.16

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Solution

The fourth proportional to 2,133.53, 2,944.28 and 1,249.16 is: 1,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.53 : 2,944.28 = 1,249.16 : x
  2. Step 2: Convert to fraction form
    2,133.53/2,944.28 = 1,249.16/x
  3. Step 3: Cross multiply
    2,133.53x = 2,944.28 × 1,249.16
  4. Step 4: Simplify right side
    2,133.53x = 3,677,876.80
  5. Step 5: Solve for x
    x = 3,677,876.80/2,133.53
  6. Step 6: Final answer
    x = 1,723.85

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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.