Home / 2,114.41-3,175.24-1,297.48

Finding the Fourth Proportional to 2,114.41, 3,175.24 and 1,297.48

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Solution

The fourth proportional to 2,114.41, 3,175.24 and 1,297.48 is: 1,948.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.41 : 3,175.24 = 1,297.48 : x
  2. Step 2: Convert to fraction form
    2,114.41/3,175.24 = 1,297.48/x
  3. Step 3: Cross multiply
    2,114.41x = 3,175.24 × 1,297.48
  4. Step 4: Simplify right side
    2,114.41x = 4,119,791.28
  5. Step 5: Solve for x
    x = 4,119,791.28/2,114.41
  6. Step 6: Final answer
    x = 1,948.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.