Home / 3,124.26-4,674.24-2,147.40

Finding the Fourth Proportional to 3,124.26, 4,674.24 and 2,147.40

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Solution

The fourth proportional to 3,124.26, 4,674.24 and 2,147.40 is: 3,212.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.26 : 4,674.24 = 2,147.40 : x
  2. Step 2: Convert to fraction form
    3,124.26/4,674.24 = 2,147.40/x
  3. Step 3: Cross multiply
    3,124.26x = 4,674.24 × 2,147.40
  4. Step 4: Simplify right side
    3,124.26x = 10,037,462.98
  5. Step 5: Solve for x
    x = 10,037,462.98/3,124.26
  6. Step 6: Final answer
    x = 3,212.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.