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Finding the Fourth Proportional to 3,871.36, 5,773.01 and 3,836.26

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Solution

The fourth proportional to 3,871.36, 5,773.01 and 3,836.26 is: 5,720.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871.36 : 5,773.01 = 3,836.26 : x
  2. Step 2: Convert to fraction form
    3,871.36/5,773.01 = 3,836.26/x
  3. Step 3: Cross multiply
    3,871.36x = 5,773.01 × 3,836.26
  4. Step 4: Simplify right side
    3,871.36x = 22,146,767.34
  5. Step 5: Solve for x
    x = 22,146,767.34/3,871.36
  6. Step 6: Final answer
    x = 5,720.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.