Home / 5,366.70-8,049.69-1,855.86

Finding the Fourth Proportional to 5,366.70, 8,049.69 and 1,855.86

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Solution

The fourth proportional to 5,366.70, 8,049.69 and 1,855.86 is: 2,783.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.70 : 8,049.69 = 1,855.86 : x
  2. Step 2: Convert to fraction form
    5,366.70/8,049.69 = 1,855.86/x
  3. Step 3: Cross multiply
    5,366.70x = 8,049.69 × 1,855.86
  4. Step 4: Simplify right side
    5,366.70x = 14,939,097.68
  5. Step 5: Solve for x
    x = 14,939,097.68/5,366.70
  6. Step 6: Final answer
    x = 2,783.67

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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.