Home / 7,385.22-10,191.30-4,027.97

Finding the Fourth Proportional to 7,385.22, 10,191.30 and 4,027.97

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Solution

The fourth proportional to 7,385.22, 10,191.30 and 4,027.97 is: 5,558.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.22 : 10,191.30 = 4,027.97 : x
  2. Step 2: Convert to fraction form
    7,385.22/10,191.30 = 4,027.97/x
  3. Step 3: Cross multiply
    7,385.22x = 10,191.30 × 4,027.97
  4. Step 4: Simplify right side
    7,385.22x = 41,050,261.03
  5. Step 5: Solve for x
    x = 41,050,261.03/7,385.22
  6. Step 6: Final answer
    x = 5,558.43

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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.