Home / 2,179.15-3,007.22-1,184.43

Finding the Fourth Proportional to 2,179.15, 3,007.22 and 1,184.43

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Solution

The fourth proportional to 2,179.15, 3,007.22 and 1,184.43 is: 1,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.15 : 3,007.22 = 1,184.43 : x
  2. Step 2: Convert to fraction form
    2,179.15/3,007.22 = 1,184.43/x
  3. Step 3: Cross multiply
    2,179.15x = 3,007.22 × 1,184.43
  4. Step 4: Simplify right side
    2,179.15x = 3,561,830.02
  5. Step 5: Solve for x
    x = 3,561,830.02/2,179.15
  6. Step 6: Final answer
    x = 1,634.51

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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.