Home / 2,918.68-4,024.56-2,170.24

Finding the Fourth Proportional to 2,918.68, 4,024.56 and 2,170.24

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Solution

The fourth proportional to 2,918.68, 4,024.56 and 2,170.24 is: 2,992.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.68 : 4,024.56 = 2,170.24 : x
  2. Step 2: Convert to fraction form
    2,918.68/4,024.56 = 2,170.24/x
  3. Step 3: Cross multiply
    2,918.68x = 4,024.56 × 2,170.24
  4. Step 4: Simplify right side
    2,918.68x = 8,734,261.09
  5. Step 5: Solve for x
    x = 8,734,261.09/2,918.68
  6. Step 6: Final answer
    x = 2,992.54

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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.