Home / 1,954.22-2,696.74-1,168.70

Finding the Fourth Proportional to 1,954.22, 2,696.74 and 1,168.70

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Solution

The fourth proportional to 1,954.22, 2,696.74 and 1,168.70 is: 1,612.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.22 : 2,696.74 = 1,168.70 : x
  2. Step 2: Convert to fraction form
    1,954.22/2,696.74 = 1,168.70/x
  3. Step 3: Cross multiply
    1,954.22x = 2,696.74 × 1,168.70
  4. Step 4: Simplify right side
    1,954.22x = 3,151,663.63
  5. Step 5: Solve for x
    x = 3,151,663.63/1,954.22
  6. Step 6: Final answer
    x = 1,612.75

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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.