Home / 3,342.88-5,015.40-1,151.56

Finding the Fourth Proportional to 3,342.88, 5,015.40 and 1,151.56

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Solution

The fourth proportional to 3,342.88, 5,015.40 and 1,151.56 is: 1,727.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.88 : 5,015.40 = 1,151.56 : x
  2. Step 2: Convert to fraction form
    3,342.88/5,015.40 = 1,151.56/x
  3. Step 3: Cross multiply
    3,342.88x = 5,015.40 × 1,151.56
  4. Step 4: Simplify right side
    3,342.88x = 5,775,534.02
  5. Step 5: Solve for x
    x = 5,775,534.02/3,342.88
  6. Step 6: Final answer
    x = 1,727.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.