Home / 2,968.15-4,453.25-1,119.79

Finding the Fourth Proportional to 2,968.15, 4,453.25 and 1,119.79

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Solution

The fourth proportional to 2,968.15, 4,453.25 and 1,119.79 is: 1,680.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.15 : 4,453.25 = 1,119.79 : x
  2. Step 2: Convert to fraction form
    2,968.15/4,453.25 = 1,119.79/x
  3. Step 3: Cross multiply
    2,968.15x = 4,453.25 × 1,119.79
  4. Step 4: Simplify right side
    2,968.15x = 4,986,688.09
  5. Step 5: Solve for x
    x = 4,986,688.09/2,968.15
  6. Step 6: Final answer
    x = 1,680.07

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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.