Home / 3,132.41-4,322.79-1,716.12

Finding the Fourth Proportional to 3,132.41, 4,322.79 and 1,716.12

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Solution

The fourth proportional to 3,132.41, 4,322.79 and 1,716.12 is: 2,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.41 : 4,322.79 = 1,716.12 : x
  2. Step 2: Convert to fraction form
    3,132.41/4,322.79 = 1,716.12/x
  3. Step 3: Cross multiply
    3,132.41x = 4,322.79 × 1,716.12
  4. Step 4: Simplify right side
    3,132.41x = 7,418,426.37
  5. Step 5: Solve for x
    x = 7,418,426.37/3,132.41
  6. Step 6: Final answer
    x = 2,368.28

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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.