Home / 2,775.62-3,830.39-1,516.67

Finding the Fourth Proportional to 2,775.62, 3,830.39 and 1,516.67

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Solution

The fourth proportional to 2,775.62, 3,830.39 and 1,516.67 is: 2,093.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.62 : 3,830.39 = 1,516.67 : x
  2. Step 2: Convert to fraction form
    2,775.62/3,830.39 = 1,516.67/x
  3. Step 3: Cross multiply
    2,775.62x = 3,830.39 × 1,516.67
  4. Step 4: Simplify right side
    2,775.62x = 5,809,410.87
  5. Step 5: Solve for x
    x = 5,809,410.87/2,775.62
  6. Step 6: Final answer
    x = 2,093.02

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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.