Home / 3,175.36-4,380.07-2,098.63

Finding the Fourth Proportional to 3,175.36, 4,380.07 and 2,098.63

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Solution

The fourth proportional to 3,175.36, 4,380.07 and 2,098.63 is: 2,894.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.36 : 4,380.07 = 2,098.63 : x
  2. Step 2: Convert to fraction form
    3,175.36/4,380.07 = 2,098.63/x
  3. Step 3: Cross multiply
    3,175.36x = 4,380.07 × 2,098.63
  4. Step 4: Simplify right side
    3,175.36x = 9,192,146.30
  5. Step 5: Solve for x
    x = 9,192,146.30/3,175.36
  6. Step 6: Final answer
    x = 2,894.84

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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.