Home / 6,188.85-8,540.53-3,536.21

Finding the Fourth Proportional to 6,188.85, 8,540.53 and 3,536.21

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Solution

The fourth proportional to 6,188.85, 8,540.53 and 3,536.21 is: 4,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,188.85 : 8,540.53 = 3,536.21 : x
  2. Step 2: Convert to fraction form
    6,188.85/8,540.53 = 3,536.21/x
  3. Step 3: Cross multiply
    6,188.85x = 8,540.53 × 3,536.21
  4. Step 4: Simplify right side
    6,188.85x = 30,201,120.10
  5. Step 5: Solve for x
    x = 30,201,120.10/6,188.85
  6. Step 6: Final answer
    x = 4,879.92

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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.