Home / 5,412.22-8,113.30-2,125.33

Finding the Fourth Proportional to 5,412.22, 8,113.30 and 2,125.33

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Solution

The fourth proportional to 5,412.22, 8,113.30 and 2,125.33 is: 3,186.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.22 : 8,113.30 = 2,125.33 : x
  2. Step 2: Convert to fraction form
    5,412.22/8,113.30 = 2,125.33/x
  3. Step 3: Cross multiply
    5,412.22x = 8,113.30 × 2,125.33
  4. Step 4: Simplify right side
    5,412.22x = 17,243,414.29
  5. Step 5: Solve for x
    x = 17,243,414.29/5,412.22
  6. Step 6: Final answer
    x = 3,186.02

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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.