Home / 4,961.42-7,438.29-2,223.50

Finding the Fourth Proportional to 4,961.42, 7,438.29 and 2,223.50

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Solution

The fourth proportional to 4,961.42, 7,438.29 and 2,223.50 is: 3,333.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.42 : 7,438.29 = 2,223.50 : x
  2. Step 2: Convert to fraction form
    4,961.42/7,438.29 = 2,223.50/x
  3. Step 3: Cross multiply
    4,961.42x = 7,438.29 × 2,223.50
  4. Step 4: Simplify right side
    4,961.42x = 16,539,037.82
  5. Step 5: Solve for x
    x = 16,539,037.82/4,961.42
  6. Step 6: Final answer
    x = 3,333.53

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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.