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Finding the Fourth Proportional to 3,652.37, 5,040.27 and 1,973.78

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Solution

The fourth proportional to 3,652.37, 5,040.27 and 1,973.78 is: 2,723.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.37 : 5,040.27 = 1,973.78 : x
  2. Step 2: Convert to fraction form
    3,652.37/5,040.27 = 1,973.78/x
  3. Step 3: Cross multiply
    3,652.37x = 5,040.27 × 1,973.78
  4. Step 4: Simplify right side
    3,652.37x = 9,948,362.34
  5. Step 5: Solve for x
    x = 9,948,362.34/3,652.37
  6. Step 6: Final answer
    x = 2,723.81

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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.