Home / 7,271.22-10,912.26-2,829.59

Finding the Fourth Proportional to 7,271.22, 10,912.26 and 2,829.59

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Solution

The fourth proportional to 7,271.22, 10,912.26 and 2,829.59 is: 4,246.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.22 : 10,912.26 = 2,829.59 : x
  2. Step 2: Convert to fraction form
    7,271.22/10,912.26 = 2,829.59/x
  3. Step 3: Cross multiply
    7,271.22x = 10,912.26 × 2,829.59
  4. Step 4: Simplify right side
    7,271.22x = 30,877,167.21
  5. Step 5: Solve for x
    x = 30,877,167.21/7,271.22
  6. Step 6: Final answer
    x = 4,246.49

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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.