Home / 5,409.12-7,464.48-3,546

Finding the Fourth Proportional to 5,409.12, 7,464.48 and 3,546

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Solution

The fourth proportional to 5,409.12, 7,464.48 and 3,546 is: 4,893.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.12 : 7,464.48 = 3,546 : x
  2. Step 2: Convert to fraction form
    5,409.12/7,464.48 = 3,546/x
  3. Step 3: Cross multiply
    5,409.12x = 7,464.48 × 3,546
  4. Step 4: Simplify right side
    5,409.12x = 26,469,046.08
  5. Step 5: Solve for x
    x = 26,469,046.08/5,409.12
  6. Step 6: Final answer
    x = 4,893.41

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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.