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Finding the Fourth Proportional to 2,183.70, 3,014.15 and 1,485.48

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Solution

The fourth proportional to 2,183.70, 3,014.15 and 1,485.48 is: 2,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.70 : 3,014.15 = 1,485.48 : x
  2. Step 2: Convert to fraction form
    2,183.70/3,014.15 = 1,485.48/x
  3. Step 3: Cross multiply
    2,183.70x = 3,014.15 × 1,485.48
  4. Step 4: Simplify right side
    2,183.70x = 4,477,452.11
  5. Step 5: Solve for x
    x = 4,477,452.11/2,183.70
  6. Step 6: Final answer
    x = 2,050.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.