Home / 3,182.58-4,391.94-1,785.32

Finding the Fourth Proportional to 3,182.58, 4,391.94 and 1,785.32

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Solution

The fourth proportional to 3,182.58, 4,391.94 and 1,785.32 is: 2,463.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.58 : 4,391.94 = 1,785.32 : x
  2. Step 2: Convert to fraction form
    3,182.58/4,391.94 = 1,785.32/x
  3. Step 3: Cross multiply
    3,182.58x = 4,391.94 × 1,785.32
  4. Step 4: Simplify right side
    3,182.58x = 7,841,018.32
  5. Step 5: Solve for x
    x = 7,841,018.32/3,182.58
  6. Step 6: Final answer
    x = 2,463.73

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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.