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Finding the Fourth Proportional to 3,874.02, 5,810.41 and 1,682.16

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Solution

The fourth proportional to 3,874.02, 5,810.41 and 1,682.16 is: 2,522.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.02 : 5,810.41 = 1,682.16 : x
  2. Step 2: Convert to fraction form
    3,874.02/5,810.41 = 1,682.16/x
  3. Step 3: Cross multiply
    3,874.02x = 5,810.41 × 1,682.16
  4. Step 4: Simplify right side
    3,874.02x = 9,774,039.29
  5. Step 5: Solve for x
    x = 9,774,039.29/3,874.02
  6. Step 6: Final answer
    x = 2,522.97

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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.