Home / 5,447.51-8,170.80-1,748.75

Finding the Fourth Proportional to 5,447.51, 8,170.80 and 1,748.75

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Solution

The fourth proportional to 5,447.51, 8,170.80 and 1,748.75 is: 2,622.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.51 : 8,170.80 = 1,748.75 : x
  2. Step 2: Convert to fraction form
    5,447.51/8,170.80 = 1,748.75/x
  3. Step 3: Cross multiply
    5,447.51x = 8,170.80 × 1,748.75
  4. Step 4: Simplify right side
    5,447.51x = 14,288,645.65
  5. Step 5: Solve for x
    x = 14,288,645.65/5,447.51
  6. Step 6: Final answer
    x = 2,622.97

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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.