Home / 4,945.35-7,410.54-2,170.47

Finding the Fourth Proportional to 4,945.35, 7,410.54 and 2,170.47

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Solution

The fourth proportional to 4,945.35, 7,410.54 and 2,170.47 is: 3,252.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.35 : 7,410.54 = 2,170.47 : x
  2. Step 2: Convert to fraction form
    4,945.35/7,410.54 = 2,170.47/x
  3. Step 3: Cross multiply
    4,945.35x = 7,410.54 × 2,170.47
  4. Step 4: Simplify right side
    4,945.35x = 16,084,354.75
  5. Step 5: Solve for x
    x = 16,084,354.75/4,945.35
  6. Step 6: Final answer
    x = 3,252.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.