Home / 7,318.92-10,968.66-4,200.42

Finding the Fourth Proportional to 7,318.92, 10,968.66 and 4,200.42

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Solution

The fourth proportional to 7,318.92, 10,968.66 and 4,200.42 is: 6,295.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.92 : 10,968.66 = 4,200.42 : x
  2. Step 2: Convert to fraction form
    7,318.92/10,968.66 = 4,200.42/x
  3. Step 3: Cross multiply
    7,318.92x = 10,968.66 × 4,200.42
  4. Step 4: Simplify right side
    7,318.92x = 46,072,978.84
  5. Step 5: Solve for x
    x = 46,072,978.84/7,318.92
  6. Step 6: Final answer
    x = 6,295.05

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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.