Home / 7,318.84-10,968.68-2,939.37

Finding the Fourth Proportional to 7,318.84, 10,968.68 and 2,939.37

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Solution

The fourth proportional to 7,318.84, 10,968.68 and 2,939.37 is: 4,405.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.84 : 10,968.68 = 2,939.37 : x
  2. Step 2: Convert to fraction form
    7,318.84/10,968.68 = 2,939.37/x
  3. Step 3: Cross multiply
    7,318.84x = 10,968.68 × 2,939.37
  4. Step 4: Simplify right side
    7,318.84x = 32,241,008.93
  5. Step 5: Solve for x
    x = 32,241,008.93/7,318.84
  6. Step 6: Final answer
    x = 4,405.21

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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.