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Finding the Fourth Proportional to 3,166.02, 4,749.03 and 974.70

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Solution

The fourth proportional to 3,166.02, 4,749.03 and 974.70 is: 1,462.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.02 : 4,749.03 = 974.70 : x
  2. Step 2: Convert to fraction form
    3,166.02/4,749.03 = 974.70/x
  3. Step 3: Cross multiply
    3,166.02x = 4,749.03 × 974.70
  4. Step 4: Simplify right side
    3,166.02x = 4,628,879.54
  5. Step 5: Solve for x
    x = 4,628,879.54/3,166.02
  6. Step 6: Final answer
    x = 1,462.05

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Similar ratio
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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.