Home / 2,982.62-4,116.08-1,723.71

Finding the Fourth Proportional to 2,982.62, 4,116.08 and 1,723.71

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Solution

The fourth proportional to 2,982.62, 4,116.08 and 1,723.71 is: 2,378.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.62 : 4,116.08 = 1,723.71 : x
  2. Step 2: Convert to fraction form
    2,982.62/4,116.08 = 1,723.71/x
  3. Step 3: Cross multiply
    2,982.62x = 4,116.08 × 1,723.71
  4. Step 4: Simplify right side
    2,982.62x = 7,094,948.00
  5. Step 5: Solve for x
    x = 7,094,948.00/2,982.62
  6. Step 6: Final answer
    x = 2,378.76

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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.