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Finding the Fourth Proportional to 2,836.76, 4,258.02 and 1,794.20

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Solution

The fourth proportional to 2,836.76, 4,258.02 and 1,794.20 is: 2,693.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.76 : 4,258.02 = 1,794.20 : x
  2. Step 2: Convert to fraction form
    2,836.76/4,258.02 = 1,794.20/x
  3. Step 3: Cross multiply
    2,836.76x = 4,258.02 × 1,794.20
  4. Step 4: Simplify right side
    2,836.76x = 7,639,739.48
  5. Step 5: Solve for x
    x = 7,639,739.48/2,836.76
  6. Step 6: Final answer
    x = 2,693.12

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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.