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Finding the Fourth Proportional to 3,626.55, 5,439.02 and 1,652.10

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Solution

The fourth proportional to 3,626.55, 5,439.02 and 1,652.10 is: 2,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.55 : 5,439.02 = 1,652.10 : x
  2. Step 2: Convert to fraction form
    3,626.55/5,439.02 = 1,652.10/x
  3. Step 3: Cross multiply
    3,626.55x = 5,439.02 × 1,652.10
  4. Step 4: Simplify right side
    3,626.55x = 8,985,790.22
  5. Step 5: Solve for x
    x = 8,985,790.22/3,626.55
  6. Step 6: Final answer
    x = 2,477.78

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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.