Home / 2,316.22-3,188.55-1,791.26

Finding the Fourth Proportional to 2,316.22, 3,188.55 and 1,791.26

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Solution

The fourth proportional to 2,316.22, 3,188.55 and 1,791.26 is: 2,465.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.22 : 3,188.55 = 1,791.26 : x
  2. Step 2: Convert to fraction form
    2,316.22/3,188.55 = 1,791.26/x
  3. Step 3: Cross multiply
    2,316.22x = 3,188.55 × 1,791.26
  4. Step 4: Simplify right side
    2,316.22x = 5,711,522.07
  5. Step 5: Solve for x
    x = 5,711,522.07/2,316.22
  6. Step 6: Final answer
    x = 2,465.88

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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.