Home / 3,190.51-4,402.26-1,863.96

Finding the Fourth Proportional to 3,190.51, 4,402.26 and 1,863.96

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Solution

The fourth proportional to 3,190.51, 4,402.26 and 1,863.96 is: 2,571.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.51 : 4,402.26 = 1,863.96 : x
  2. Step 2: Convert to fraction form
    3,190.51/4,402.26 = 1,863.96/x
  3. Step 3: Cross multiply
    3,190.51x = 4,402.26 × 1,863.96
  4. Step 4: Simplify right side
    3,190.51x = 8,205,626.34
  5. Step 5: Solve for x
    x = 8,205,626.34/3,190.51
  6. Step 6: Final answer
    x = 2,571.88

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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.