Home / 3,422.81-5,140.06-2,044.70

Finding the Fourth Proportional to 3,422.81, 5,140.06 and 2,044.70

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Solution

The fourth proportional to 3,422.81, 5,140.06 and 2,044.70 is: 3,070.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.81 : 5,140.06 = 2,044.70 : x
  2. Step 2: Convert to fraction form
    3,422.81/5,140.06 = 2,044.70/x
  3. Step 3: Cross multiply
    3,422.81x = 5,140.06 × 2,044.70
  4. Step 4: Simplify right side
    3,422.81x = 10,509,880.68
  5. Step 5: Solve for x
    x = 10,509,880.68/3,422.81
  6. Step 6: Final answer
    x = 3,070.54

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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.