Home / 3,043.22-4,188.78-2,157.48

Finding the Fourth Proportional to 3,043.22, 4,188.78 and 2,157.48

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Solution

The fourth proportional to 3,043.22, 4,188.78 and 2,157.48 is: 2,969.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.22 : 4,188.78 = 2,157.48 : x
  2. Step 2: Convert to fraction form
    3,043.22/4,188.78 = 2,157.48/x
  3. Step 3: Cross multiply
    3,043.22x = 4,188.78 × 2,157.48
  4. Step 4: Simplify right side
    3,043.22x = 9,037,209.07
  5. Step 5: Solve for x
    x = 9,037,209.07/3,043.22
  6. Step 6: Final answer
    x = 2,969.63

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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.