Home / 3,132.75-4,323.26-1,716.49

Finding the Fourth Proportional to 3,132.75, 4,323.26 and 1,716.49

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Solution

The fourth proportional to 3,132.75, 4,323.26 and 1,716.49 is: 2,368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.75 : 4,323.26 = 1,716.49 : x
  2. Step 2: Convert to fraction form
    3,132.75/4,323.26 = 1,716.49/x
  3. Step 3: Cross multiply
    3,132.75x = 4,323.26 × 1,716.49
  4. Step 4: Simplify right side
    3,132.75x = 7,420,832.56
  5. Step 5: Solve for x
    x = 7,420,832.56/3,132.75
  6. Step 6: Final answer
    x = 2,368.79

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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.