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Finding the Fourth Proportional to 2,798.29, 4,198.34 and 950.58

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Solution

The fourth proportional to 2,798.29, 4,198.34 and 950.58 is: 1,426.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.29 : 4,198.34 = 950.58 : x
  2. Step 2: Convert to fraction form
    2,798.29/4,198.34 = 950.58/x
  3. Step 3: Cross multiply
    2,798.29x = 4,198.34 × 950.58
  4. Step 4: Simplify right side
    2,798.29x = 3,990,860.41
  5. Step 5: Solve for x
    x = 3,990,860.41/2,798.29
  6. Step 6: Final answer
    x = 1,426.18

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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.