Home / 3,536.78-4,880.70-1,943.49

Finding the Fourth Proportional to 3,536.78, 4,880.70 and 1,943.49

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Solution

The fourth proportional to 3,536.78, 4,880.70 and 1,943.49 is: 2,681.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,536.78 : 4,880.70 = 1,943.49 : x
  2. Step 2: Convert to fraction form
    3,536.78/4,880.70 = 1,943.49/x
  3. Step 3: Cross multiply
    3,536.78x = 4,880.70 × 1,943.49
  4. Step 4: Simplify right side
    3,536.78x = 9,485,591.64
  5. Step 5: Solve for x
    x = 9,485,591.64/3,536.78
  6. Step 6: Final answer
    x = 2,681.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.