Home / 2,012.68-2,777.24-1,173.56

Finding the Fourth Proportional to 2,012.68, 2,777.24 and 1,173.56

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Solution

The fourth proportional to 2,012.68, 2,777.24 and 1,173.56 is: 1,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.68 : 2,777.24 = 1,173.56 : x
  2. Step 2: Convert to fraction form
    2,012.68/2,777.24 = 1,173.56/x
  3. Step 3: Cross multiply
    2,012.68x = 2,777.24 × 1,173.56
  4. Step 4: Simplify right side
    2,012.68x = 3,259,257.77
  5. Step 5: Solve for x
    x = 3,259,257.77/2,012.68
  6. Step 6: Final answer
    x = 1,619.36

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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.