Home / 5,447.22-8,171.98-1,749.72

Finding the Fourth Proportional to 5,447.22, 8,171.98 and 1,749.72

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Solution

The fourth proportional to 5,447.22, 8,171.98 and 1,749.72 is: 2,624.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.22 : 8,171.98 = 1,749.72 : x
  2. Step 2: Convert to fraction form
    5,447.22/8,171.98 = 1,749.72/x
  3. Step 3: Cross multiply
    5,447.22x = 8,171.98 × 1,749.72
  4. Step 4: Simplify right side
    5,447.22x = 14,298,676.85
  5. Step 5: Solve for x
    x = 14,298,676.85/5,447.22
  6. Step 6: Final answer
    x = 2,624.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.