Home / 5,447.05-8,170.77-1,749.30

Finding the Fourth Proportional to 5,447.05, 8,170.77 and 1,749.30

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Solution

The fourth proportional to 5,447.05, 8,170.77 and 1,749.30 is: 2,624.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.05 : 8,170.77 = 1,749.30 : x
  2. Step 2: Convert to fraction form
    5,447.05/8,170.77 = 1,749.30/x
  3. Step 3: Cross multiply
    5,447.05x = 8,170.77 × 1,749.30
  4. Step 4: Simplify right side
    5,447.05x = 14,293,103.88
  5. Step 5: Solve for x
    x = 14,293,103.88/5,447.05
  6. Step 6: Final answer
    x = 2,624.01

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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.