Home / 2,997.78-4,473.55-2,633.32

Finding the Fourth Proportional to 2,997.78, 4,473.55 and 2,633.32

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Solution

The fourth proportional to 2,997.78, 4,473.55 and 2,633.32 is: 3,929.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.78 : 4,473.55 = 2,633.32 : x
  2. Step 2: Convert to fraction form
    2,997.78/4,473.55 = 2,633.32/x
  3. Step 3: Cross multiply
    2,997.78x = 4,473.55 × 2,633.32
  4. Step 4: Simplify right side
    2,997.78x = 11,780,311.27
  5. Step 5: Solve for x
    x = 11,780,311.27/2,997.78
  6. Step 6: Final answer
    x = 3,929.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.