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Finding the Fourth Proportional to 5,331, 7,357.86 and 3,093.36

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Solution

The fourth proportional to 5,331, 7,357.86 and 3,093.36 is: 4,269.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331 : 7,357.86 = 3,093.36 : x
  2. Step 2: Convert to fraction form
    5,331/7,357.86 = 3,093.36/x
  3. Step 3: Cross multiply
    5,331x = 7,357.86 × 3,093.36
  4. Step 4: Simplify right side
    5,331x = 22,760,509.81
  5. Step 5: Solve for x
    x = 22,760,509.81/5,331
  6. Step 6: Final answer
    x = 4,269.46

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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.