Home / 5,213.88-7,820.58-2,095.29

Finding the Fourth Proportional to 5,213.88, 7,820.58 and 2,095.29

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Solution

The fourth proportional to 5,213.88, 7,820.58 and 2,095.29 is: 3,142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.88 : 7,820.58 = 2,095.29 : x
  2. Step 2: Convert to fraction form
    5,213.88/7,820.58 = 2,095.29/x
  3. Step 3: Cross multiply
    5,213.88x = 7,820.58 × 2,095.29
  4. Step 4: Simplify right side
    5,213.88x = 16,386,383.07
  5. Step 5: Solve for x
    x = 16,386,383.07/5,213.88
  6. Step 6: Final answer
    x = 3,142.84

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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.