Home / 5,711.33-7,881.69-3,353.51

Finding the Fourth Proportional to 5,711.33, 7,881.69 and 3,353.51

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Solution

The fourth proportional to 5,711.33, 7,881.69 and 3,353.51 is: 4,627.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.33 : 7,881.69 = 3,353.51 : x
  2. Step 2: Convert to fraction form
    5,711.33/7,881.69 = 3,353.51/x
  3. Step 3: Cross multiply
    5,711.33x = 7,881.69 × 3,353.51
  4. Step 4: Simplify right side
    5,711.33x = 26,431,326.23
  5. Step 5: Solve for x
    x = 26,431,326.23/5,711.33
  6. Step 6: Final answer
    x = 4,627.88

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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.