Home / 5,609.58-8,416.19-1,914.15

Finding the Fourth Proportional to 5,609.58, 8,416.19 and 1,914.15

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Solution

The fourth proportional to 5,609.58, 8,416.19 and 1,914.15 is: 2,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.58 : 8,416.19 = 1,914.15 : x
  2. Step 2: Convert to fraction form
    5,609.58/8,416.19 = 1,914.15/x
  3. Step 3: Cross multiply
    5,609.58x = 8,416.19 × 1,914.15
  4. Step 4: Simplify right side
    5,609.58x = 16,109,850.09
  5. Step 5: Solve for x
    x = 16,109,850.09/5,609.58
  6. Step 6: Final answer
    x = 2,871.85

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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.