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Finding the Fourth Proportional to 5,367.72, 7,401.80 and 4,246.86

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Solution

The fourth proportional to 5,367.72, 7,401.80 and 4,246.86 is: 5,856.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.72 : 7,401.80 = 4,246.86 : x
  2. Step 2: Convert to fraction form
    5,367.72/7,401.80 = 4,246.86/x
  3. Step 3: Cross multiply
    5,367.72x = 7,401.80 × 4,246.86
  4. Step 4: Simplify right side
    5,367.72x = 31,434,408.35
  5. Step 5: Solve for x
    x = 31,434,408.35/5,367.72
  6. Step 6: Final answer
    x = 5,856.19

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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.