Home / 7,003.97-9,665.47-3,817.26

Finding the Fourth Proportional to 7,003.97, 9,665.47 and 3,817.26

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Solution

The fourth proportional to 7,003.97, 9,665.47 and 3,817.26 is: 5,267.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.97 : 9,665.47 = 3,817.26 : x
  2. Step 2: Convert to fraction form
    7,003.97/9,665.47 = 3,817.26/x
  3. Step 3: Cross multiply
    7,003.97x = 9,665.47 × 3,817.26
  4. Step 4: Simplify right side
    7,003.97x = 36,895,653.03
  5. Step 5: Solve for x
    x = 36,895,653.03/7,003.97
  6. Step 6: Final answer
    x = 5,267.82

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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.