Home / 6,949.53-10,420.88-3,435.47

Finding the Fourth Proportional to 6,949.53, 10,420.88 and 3,435.47

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Solution

The fourth proportional to 6,949.53, 10,420.88 and 3,435.47 is: 5,151.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.53 : 10,420.88 = 3,435.47 : x
  2. Step 2: Convert to fraction form
    6,949.53/10,420.88 = 3,435.47/x
  3. Step 3: Cross multiply
    6,949.53x = 10,420.88 × 3,435.47
  4. Step 4: Simplify right side
    6,949.53x = 35,800,629.14
  5. Step 5: Solve for x
    x = 35,800,629.14/6,949.53
  6. Step 6: Final answer
    x = 5,151.51

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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.