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Finding the Fourth Proportional to 2,823.94, 4,236.23 and 974.85

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Solution

The fourth proportional to 2,823.94, 4,236.23 and 974.85 is: 1,462.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.94 : 4,236.23 = 974.85 : x
  2. Step 2: Convert to fraction form
    2,823.94/4,236.23 = 974.85/x
  3. Step 3: Cross multiply
    2,823.94x = 4,236.23 × 974.85
  4. Step 4: Simplify right side
    2,823.94x = 4,129,662.76
  5. Step 5: Solve for x
    x = 4,129,662.76/2,823.94
  6. Step 6: Final answer
    x = 1,462.38

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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.