Home / 6,261.37-8,641.67-3,609.62

Finding the Fourth Proportional to 6,261.37, 8,641.67 and 3,609.62

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Solution

The fourth proportional to 6,261.37, 8,641.67 and 3,609.62 is: 4,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.37 : 8,641.67 = 3,609.62 : x
  2. Step 2: Convert to fraction form
    6,261.37/8,641.67 = 3,609.62/x
  3. Step 3: Cross multiply
    6,261.37x = 8,641.67 × 3,609.62
  4. Step 4: Simplify right side
    6,261.37x = 31,193,144.87
  5. Step 5: Solve for x
    x = 31,193,144.87/6,261.37
  6. Step 6: Final answer
    x = 4,981.84

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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.