Home / 3,382.48-4,668.06-1,986.04

Finding the Fourth Proportional to 3,382.48, 4,668.06 and 1,986.04

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Solution

The fourth proportional to 3,382.48, 4,668.06 and 1,986.04 is: 2,740.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.48 : 4,668.06 = 1,986.04 : x
  2. Step 2: Convert to fraction form
    3,382.48/4,668.06 = 1,986.04/x
  3. Step 3: Cross multiply
    3,382.48x = 4,668.06 × 1,986.04
  4. Step 4: Simplify right side
    3,382.48x = 9,270,953.88
  5. Step 5: Solve for x
    x = 9,270,953.88/3,382.48
  6. Step 6: Final answer
    x = 2,740.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.