Home / 3,132.52-4,322.83-1,716.20

Finding the Fourth Proportional to 3,132.52, 4,322.83 and 1,716.20

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Solution

The fourth proportional to 3,132.52, 4,322.83 and 1,716.20 is: 2,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.52 : 4,322.83 = 1,716.20 : x
  2. Step 2: Convert to fraction form
    3,132.52/4,322.83 = 1,716.20/x
  3. Step 3: Cross multiply
    3,132.52x = 4,322.83 × 1,716.20
  4. Step 4: Simplify right side
    3,132.52x = 7,418,814.94
  5. Step 5: Solve for x
    x = 7,418,814.94/3,132.52
  6. Step 6: Final answer
    x = 2,368.32

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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.