Home / 5,863.35-8,091.62-3,210.78

Finding the Fourth Proportional to 5,863.35, 8,091.62 and 3,210.78

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Solution

The fourth proportional to 5,863.35, 8,091.62 and 3,210.78 is: 4,430.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.35 : 8,091.62 = 3,210.78 : x
  2. Step 2: Convert to fraction form
    5,863.35/8,091.62 = 3,210.78/x
  3. Step 3: Cross multiply
    5,863.35x = 8,091.62 × 3,210.78
  4. Step 4: Simplify right side
    5,863.35x = 25,980,371.21
  5. Step 5: Solve for x
    x = 25,980,371.21/5,863.35
  6. Step 6: Final answer
    x = 4,430.98

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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.