Home / 4,923.35-7,384.91-1,636.47

Finding the Fourth Proportional to 4,923.35, 7,384.91 and 1,636.47

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Solution

The fourth proportional to 4,923.35, 7,384.91 and 1,636.47 is: 2,454.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.35 : 7,384.91 = 1,636.47 : x
  2. Step 2: Convert to fraction form
    4,923.35/7,384.91 = 1,636.47/x
  3. Step 3: Cross multiply
    4,923.35x = 7,384.91 × 1,636.47
  4. Step 4: Simplify right side
    4,923.35x = 12,085,183.67
  5. Step 5: Solve for x
    x = 12,085,183.67/4,923.35
  6. Step 6: Final answer
    x = 2,454.67

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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.