Home / 1,967.15-2,716.92-1,336.63

Finding the Fourth Proportional to 1,967.15, 2,716.92 and 1,336.63

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Solution

The fourth proportional to 1,967.15, 2,716.92 and 1,336.63 is: 1,846.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967.15 : 2,716.92 = 1,336.63 : x
  2. Step 2: Convert to fraction form
    1,967.15/2,716.92 = 1,336.63/x
  3. Step 3: Cross multiply
    1,967.15x = 2,716.92 × 1,336.63
  4. Step 4: Simplify right side
    1,967.15x = 3,631,503.68
  5. Step 5: Solve for x
    x = 3,631,503.68/1,967.15
  6. Step 6: Final answer
    x = 1,846.07

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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.