Home / 3,182.52-4,391.14-1,785.32

Finding the Fourth Proportional to 3,182.52, 4,391.14 and 1,785.32

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Solution

The fourth proportional to 3,182.52, 4,391.14 and 1,785.32 is: 2,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.52 : 4,391.14 = 1,785.32 : x
  2. Step 2: Convert to fraction form
    3,182.52/4,391.14 = 1,785.32/x
  3. Step 3: Cross multiply
    3,182.52x = 4,391.14 × 1,785.32
  4. Step 4: Simplify right side
    3,182.52x = 7,839,590.06
  5. Step 5: Solve for x
    x = 7,839,590.06/3,182.52
  6. Step 6: Final answer
    x = 2,463.33

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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.