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Finding the Fourth Proportional to 5,739.05, 7,902.27 and 5,026.79

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Solution

The fourth proportional to 5,739.05, 7,902.27 and 5,026.79 is: 6,921.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.05 : 7,902.27 = 5,026.79 : x
  2. Step 2: Convert to fraction form
    5,739.05/7,902.27 = 5,026.79/x
  3. Step 3: Cross multiply
    5,739.05x = 7,902.27 × 5,026.79
  4. Step 4: Simplify right side
    5,739.05x = 39,723,012.30
  5. Step 5: Solve for x
    x = 39,723,012.30/5,739.05
  6. Step 6: Final answer
    x = 6,921.54

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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.