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Finding the Fourth Proportional to 2,761.04, 3,810.16 and 1,519.04

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Solution

The fourth proportional to 2,761.04, 3,810.16 and 1,519.04 is: 2,096.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.04 : 3,810.16 = 1,519.04 : x
  2. Step 2: Convert to fraction form
    2,761.04/3,810.16 = 1,519.04/x
  3. Step 3: Cross multiply
    2,761.04x = 3,810.16 × 1,519.04
  4. Step 4: Simplify right side
    2,761.04x = 5,787,785.45
  5. Step 5: Solve for x
    x = 5,787,785.45/2,761.04
  6. Step 6: Final answer
    x = 2,096.23

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1.5x scale

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.