Home / 7,146.43-10,713.26-3,634.47

Finding the Fourth Proportional to 7,146.43, 10,713.26 and 3,634.47

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Solution

The fourth proportional to 7,146.43, 10,713.26 and 3,634.47 is: 5,448.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.43 : 10,713.26 = 3,634.47 : x
  2. Step 2: Convert to fraction form
    7,146.43/10,713.26 = 3,634.47/x
  3. Step 3: Cross multiply
    7,146.43x = 10,713.26 × 3,634.47
  4. Step 4: Simplify right side
    7,146.43x = 38,937,022.07
  5. Step 5: Solve for x
    x = 38,937,022.07/7,146.43
  6. Step 6: Final answer
    x = 5,448.46

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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.