Home / 3,175.48-4,384.20-2,180.44

Finding the Fourth Proportional to 3,175.48, 4,384.20 and 2,180.44

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Solution

The fourth proportional to 3,175.48, 4,384.20 and 2,180.44 is: 3,010.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.48 : 4,384.20 = 2,180.44 : x
  2. Step 2: Convert to fraction form
    3,175.48/4,384.20 = 2,180.44/x
  3. Step 3: Cross multiply
    3,175.48x = 4,384.20 × 2,180.44
  4. Step 4: Simplify right side
    3,175.48x = 9,559,485.05
  5. Step 5: Solve for x
    x = 9,559,485.05/3,175.48
  6. Step 6: Final answer
    x = 3,010.41

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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.