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Finding the Fourth Proportional to 5,408.70, 7,464.52 and 3,050.79

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Solution

The fourth proportional to 5,408.70, 7,464.52 and 3,050.79 is: 4,210.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.70 : 7,464.52 = 3,050.79 : x
  2. Step 2: Convert to fraction form
    5,408.70/7,464.52 = 3,050.79/x
  3. Step 3: Cross multiply
    5,408.70x = 7,464.52 × 3,050.79
  4. Step 4: Simplify right side
    5,408.70x = 22,772,682.97
  5. Step 5: Solve for x
    x = 22,772,682.97/5,408.70
  6. Step 6: Final answer
    x = 4,210.38

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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.