Home / 4,709.27-7,063.98-1,422.39

Finding the Fourth Proportional to 4,709.27, 7,063.98 and 1,422.39

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Solution

The fourth proportional to 4,709.27, 7,063.98 and 1,422.39 is: 2,133.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.27 : 7,063.98 = 1,422.39 : x
  2. Step 2: Convert to fraction form
    4,709.27/7,063.98 = 1,422.39/x
  3. Step 3: Cross multiply
    4,709.27x = 7,063.98 × 1,422.39
  4. Step 4: Simplify right side
    4,709.27x = 10,047,755.67
  5. Step 5: Solve for x
    x = 10,047,755.67/4,709.27
  6. Step 6: Final answer
    x = 2,133.61

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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.