Home / 1,944.81-2,683.90-1,105.56

Finding the Fourth Proportional to 1,944.81, 2,683.90 and 1,105.56

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Solution

The fourth proportional to 1,944.81, 2,683.90 and 1,105.56 is: 1,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.81 : 2,683.90 = 1,105.56 : x
  2. Step 2: Convert to fraction form
    1,944.81/2,683.90 = 1,105.56/x
  3. Step 3: Cross multiply
    1,944.81x = 2,683.90 × 1,105.56
  4. Step 4: Simplify right side
    1,944.81x = 2,967,212.48
  5. Step 5: Solve for x
    x = 2,967,212.48/1,944.81
  6. Step 6: Final answer
    x = 1,525.71

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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.