Home / 4,526.21-6,789.83-1,405.49

Finding the Fourth Proportional to 4,526.21, 6,789.83 and 1,405.49

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Solution

The fourth proportional to 4,526.21, 6,789.83 and 1,405.49 is: 2,108.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,526.21 : 6,789.83 = 1,405.49 : x
  2. Step 2: Convert to fraction form
    4,526.21/6,789.83 = 1,405.49/x
  3. Step 3: Cross multiply
    4,526.21x = 6,789.83 × 1,405.49
  4. Step 4: Simplify right side
    4,526.21x = 9,542,997.19
  5. Step 5: Solve for x
    x = 9,542,997.19/4,526.21
  6. Step 6: Final answer
    x = 2,108.38

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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.