Home / 5,863.37-8,091.44-3,210.78

Finding the Fourth Proportional to 5,863.37, 8,091.44 and 3,210.78

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Solution

The fourth proportional to 5,863.37, 8,091.44 and 3,210.78 is: 4,430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.37 : 8,091.44 = 3,210.78 : x
  2. Step 2: Convert to fraction form
    5,863.37/8,091.44 = 3,210.78/x
  3. Step 3: Cross multiply
    5,863.37x = 8,091.44 × 3,210.78
  4. Step 4: Simplify right side
    5,863.37x = 25,979,833.72
  5. Step 5: Solve for x
    x = 25,979,833.72/5,863.37
  6. Step 6: Final answer
    x = 4,430.87

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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.