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Finding the Fourth Proportional to 6,881.58, 9,495.90 and 3,897.54

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Solution

The fourth proportional to 6,881.58, 9,495.90 and 3,897.54 is: 5,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.58 : 9,495.90 = 3,897.54 : x
  2. Step 2: Convert to fraction form
    6,881.58/9,495.90 = 3,897.54/x
  3. Step 3: Cross multiply
    6,881.58x = 9,495.90 × 3,897.54
  4. Step 4: Simplify right side
    6,881.58x = 37,010,650.09
  5. Step 5: Solve for x
    x = 37,010,650.09/6,881.58
  6. Step 6: Final answer
    x = 5,378.22

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1.5x scale

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.