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Finding the Fourth Proportional to 2,080.46, 3,117.02 and 1,854.46

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Solution

The fourth proportional to 2,080.46, 3,117.02 and 1,854.46 is: 2,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.46 : 3,117.02 = 1,854.46 : x
  2. Step 2: Convert to fraction form
    2,080.46/3,117.02 = 1,854.46/x
  3. Step 3: Cross multiply
    2,080.46x = 3,117.02 × 1,854.46
  4. Step 4: Simplify right side
    2,080.46x = 5,780,388.91
  5. Step 5: Solve for x
    x = 5,780,388.91/2,080.46
  6. Step 6: Final answer
    x = 2,778.42

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1.5x scale

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.