Home / 3,175.80-4,382.26-1,849.22

Finding the Fourth Proportional to 3,175.80, 4,382.26 and 1,849.22

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Solution

The fourth proportional to 3,175.80, 4,382.26 and 1,849.22 is: 2,551.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.80 : 4,382.26 = 1,849.22 : x
  2. Step 2: Convert to fraction form
    3,175.80/4,382.26 = 1,849.22/x
  3. Step 3: Cross multiply
    3,175.80x = 4,382.26 × 1,849.22
  4. Step 4: Simplify right side
    3,175.80x = 8,103,762.84
  5. Step 5: Solve for x
    x = 8,103,762.84/3,175.80
  6. Step 6: Final answer
    x = 2,551.72

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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.