Home / 7,429.47-10,252.68-4,072.26

Finding the Fourth Proportional to 7,429.47, 10,252.68 and 4,072.26

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Solution

The fourth proportional to 7,429.47, 10,252.68 and 4,072.26 is: 5,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.47 : 10,252.68 = 4,072.26 : x
  2. Step 2: Convert to fraction form
    7,429.47/10,252.68 = 4,072.26/x
  3. Step 3: Cross multiply
    7,429.47x = 10,252.68 × 4,072.26
  4. Step 4: Simplify right side
    7,429.47x = 41,751,578.66
  5. Step 5: Solve for x
    x = 41,751,578.66/7,429.47
  6. Step 6: Final answer
    x = 5,619.73

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1.5x scale

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.