Home / 2,961.24-4,086.71-1,634.95

Finding the Fourth Proportional to 2,961.24, 4,086.71 and 1,634.95

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Solution

The fourth proportional to 2,961.24, 4,086.71 and 1,634.95 is: 2,256.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.24 : 4,086.71 = 1,634.95 : x
  2. Step 2: Convert to fraction form
    2,961.24/4,086.71 = 1,634.95/x
  3. Step 3: Cross multiply
    2,961.24x = 4,086.71 × 1,634.95
  4. Step 4: Simplify right side
    2,961.24x = 6,681,566.51
  5. Step 5: Solve for x
    x = 6,681,566.51/2,961.24
  6. Step 6: Final answer
    x = 2,256.34

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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.