Home / 3,175.35-4,380.96-2,057.14

Finding the Fourth Proportional to 3,175.35, 4,380.96 and 2,057.14

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Solution

The fourth proportional to 3,175.35, 4,380.96 and 2,057.14 is: 2,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.35 : 4,380.96 = 2,057.14 : x
  2. Step 2: Convert to fraction form
    3,175.35/4,380.96 = 2,057.14/x
  3. Step 3: Cross multiply
    3,175.35x = 4,380.96 × 2,057.14
  4. Step 4: Simplify right side
    3,175.35x = 9,012,237.77
  5. Step 5: Solve for x
    x = 9,012,237.77/3,175.35
  6. Step 6: Final answer
    x = 2,838.19

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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.