Home / 2,944.51-4,064.65-2,105.55

Finding the Fourth Proportional to 2,944.51, 4,064.65 and 2,105.55

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Solution

The fourth proportional to 2,944.51, 4,064.65 and 2,105.55 is: 2,906.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,944.51 : 4,064.65 = 2,105.55 : x
  2. Step 2: Convert to fraction form
    2,944.51/4,064.65 = 2,105.55/x
  3. Step 3: Cross multiply
    2,944.51x = 4,064.65 × 2,105.55
  4. Step 4: Simplify right side
    2,944.51x = 8,558,318.54
  5. Step 5: Solve for x
    x = 8,558,318.54/2,944.51
  6. Step 6: Final answer
    x = 2,906.54

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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.