Home / 3,977.48-5,970-2,924.12

Finding the Fourth Proportional to 3,977.48, 5,970 and 2,924.12

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Solution

The fourth proportional to 3,977.48, 5,970 and 2,924.12 is: 4,388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.48 : 5,970 = 2,924.12 : x
  2. Step 2: Convert to fraction form
    3,977.48/5,970 = 2,924.12/x
  3. Step 3: Cross multiply
    3,977.48x = 5,970 × 2,924.12
  4. Step 4: Simplify right side
    3,977.48x = 17,456,996.40
  5. Step 5: Solve for x
    x = 17,456,996.40/3,977.48
  6. Step 6: Final answer
    x = 4,388.96

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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.