Home / 2,297.09-3,170.02-1,249.15

Finding the Fourth Proportional to 2,297.09, 3,170.02 and 1,249.15

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Solution

The fourth proportional to 2,297.09, 3,170.02 and 1,249.15 is: 1,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.09 : 3,170.02 = 1,249.15 : x
  2. Step 2: Convert to fraction form
    2,297.09/3,170.02 = 1,249.15/x
  3. Step 3: Cross multiply
    2,297.09x = 3,170.02 × 1,249.15
  4. Step 4: Simplify right side
    2,297.09x = 3,959,830.48
  5. Step 5: Solve for x
    x = 3,959,830.48/2,297.09
  6. Step 6: Final answer
    x = 1,723.85

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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.