Home / 5,421.48-7,481.82-3,534.28

Finding the Fourth Proportional to 5,421.48, 7,481.82 and 3,534.28

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Solution

The fourth proportional to 5,421.48, 7,481.82 and 3,534.28 is: 4,877.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.48 : 7,481.82 = 3,534.28 : x
  2. Step 2: Convert to fraction form
    5,421.48/7,481.82 = 3,534.28/x
  3. Step 3: Cross multiply
    5,421.48x = 7,481.82 × 3,534.28
  4. Step 4: Simplify right side
    5,421.48x = 26,442,863.54
  5. Step 5: Solve for x
    x = 26,442,863.54/5,421.48
  6. Step 6: Final answer
    x = 4,877.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.