Home / 6,902.12-10,346.43-2,740.75

Finding the Fourth Proportional to 6,902.12, 10,346.43 and 2,740.75

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Solution

The fourth proportional to 6,902.12, 10,346.43 and 2,740.75 is: 4,108.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,902.12 : 10,346.43 = 2,740.75 : x
  2. Step 2: Convert to fraction form
    6,902.12/10,346.43 = 2,740.75/x
  3. Step 3: Cross multiply
    6,902.12x = 10,346.43 × 2,740.75
  4. Step 4: Simplify right side
    6,902.12x = 28,356,926.29
  5. Step 5: Solve for x
    x = 28,356,926.29/6,902.12
  6. Step 6: Final answer
    x = 4,108.44

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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.