Home / 1,840.73-2,536.92-1,279.40

Finding the Fourth Proportional to 1,840.73, 2,536.92 and 1,279.40

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Solution

The fourth proportional to 1,840.73, 2,536.92 and 1,279.40 is: 1,763.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.73 : 2,536.92 = 1,279.40 : x
  2. Step 2: Convert to fraction form
    1,840.73/2,536.92 = 1,279.40/x
  3. Step 3: Cross multiply
    1,840.73x = 2,536.92 × 1,279.40
  4. Step 4: Simplify right side
    1,840.73x = 3,245,722.76
  5. Step 5: Solve for x
    x = 3,245,722.76/1,840.73
  6. Step 6: Final answer
    x = 1,763.28

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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.