Home / 4,622.84-6,379.64-2,853.44

Finding the Fourth Proportional to 4,622.84, 6,379.64 and 2,853.44

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Solution

The fourth proportional to 4,622.84, 6,379.64 and 2,853.44 is: 3,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.84 : 6,379.64 = 2,853.44 : x
  2. Step 2: Convert to fraction form
    4,622.84/6,379.64 = 2,853.44/x
  3. Step 3: Cross multiply
    4,622.84x = 6,379.64 × 2,853.44
  4. Step 4: Simplify right side
    4,622.84x = 18,203,919.96
  5. Step 5: Solve for x
    x = 18,203,919.96/4,622.84
  6. Step 6: Final answer
    x = 3,937.82

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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.