Home / 2,297.88-3,171.06-1,249.95

Finding the Fourth Proportional to 2,297.88, 3,171.06 and 1,249.95

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Solution

The fourth proportional to 2,297.88, 3,171.06 and 1,249.95 is: 1,724.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.88 : 3,171.06 = 1,249.95 : x
  2. Step 2: Convert to fraction form
    2,297.88/3,171.06 = 1,249.95/x
  3. Step 3: Cross multiply
    2,297.88x = 3,171.06 × 1,249.95
  4. Step 4: Simplify right side
    2,297.88x = 3,963,666.45
  5. Step 5: Solve for x
    x = 3,963,666.45/2,297.88
  6. Step 6: Final answer
    x = 1,724.92

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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.