Home / 5,334.54-8,000.70-1,438.02

Finding the Fourth Proportional to 5,334.54, 8,000.70 and 1,438.02

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Solution

The fourth proportional to 5,334.54, 8,000.70 and 1,438.02 is: 2,156.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.54 : 8,000.70 = 1,438.02 : x
  2. Step 2: Convert to fraction form
    5,334.54/8,000.70 = 1,438.02/x
  3. Step 3: Cross multiply
    5,334.54x = 8,000.70 × 1,438.02
  4. Step 4: Simplify right side
    5,334.54x = 11,505,166.61
  5. Step 5: Solve for x
    x = 11,505,166.61/5,334.54
  6. Step 6: Final answer
    x = 2,156.73

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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.