Home / 6,935.20-10,400.32-3,470.08

Finding the Fourth Proportional to 6,935.20, 10,400.32 and 3,470.08

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Solution

The fourth proportional to 6,935.20, 10,400.32 and 3,470.08 is: 5,203.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,935.20 : 10,400.32 = 3,470.08 : x
  2. Step 2: Convert to fraction form
    6,935.20/10,400.32 = 3,470.08/x
  3. Step 3: Cross multiply
    6,935.20x = 10,400.32 × 3,470.08
  4. Step 4: Simplify right side
    6,935.20x = 36,089,942.43
  5. Step 5: Solve for x
    x = 36,089,942.43/6,935.20
  6. Step 6: Final answer
    x = 5,203.88

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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.