Home / 3,173.22-4,378.65-1,847.16

Finding the Fourth Proportional to 3,173.22, 4,378.65 and 1,847.16

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Solution

The fourth proportional to 3,173.22, 4,378.65 and 1,847.16 is: 2,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.22 : 4,378.65 = 1,847.16 : x
  2. Step 2: Convert to fraction form
    3,173.22/4,378.65 = 1,847.16/x
  3. Step 3: Cross multiply
    3,173.22x = 4,378.65 × 1,847.16
  4. Step 4: Simplify right side
    3,173.22x = 8,088,067.13
  5. Step 5: Solve for x
    x = 8,088,067.13/3,173.22
  6. Step 6: Final answer
    x = 2,548.85

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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.