Home / 3,182.92-4,391.94-1,785.40

Finding the Fourth Proportional to 3,182.92, 4,391.94 and 1,785.40

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Solution

The fourth proportional to 3,182.92, 4,391.94 and 1,785.40 is: 2,463.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.92 : 4,391.94 = 1,785.40 : x
  2. Step 2: Convert to fraction form
    3,182.92/4,391.94 = 1,785.40/x
  3. Step 3: Cross multiply
    3,182.92x = 4,391.94 × 1,785.40
  4. Step 4: Simplify right side
    3,182.92x = 7,841,369.68
  5. Step 5: Solve for x
    x = 7,841,369.68/3,182.92
  6. Step 6: Final answer
    x = 2,463.58

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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.