Home / 1,893.15-2,613.83-1,185.28

Finding the Fourth Proportional to 1,893.15, 2,613.83 and 1,185.28

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Solution

The fourth proportional to 1,893.15, 2,613.83 and 1,185.28 is: 1,636.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.15 : 2,613.83 = 1,185.28 : x
  2. Step 2: Convert to fraction form
    1,893.15/2,613.83 = 1,185.28/x
  3. Step 3: Cross multiply
    1,893.15x = 2,613.83 × 1,185.28
  4. Step 4: Simplify right side
    1,893.15x = 3,098,119.97
  5. Step 5: Solve for x
    x = 3,098,119.97/1,893.15
  6. Step 6: Final answer
    x = 1,636.49

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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.