Home / 7,290.48-10,936.44-2,097.12

Finding the Fourth Proportional to 7,290.48, 10,936.44 and 2,097.12

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Solution

The fourth proportional to 7,290.48, 10,936.44 and 2,097.12 is: 3,145.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.48 : 10,936.44 = 2,097.12 : x
  2. Step 2: Convert to fraction form
    7,290.48/10,936.44 = 2,097.12/x
  3. Step 3: Cross multiply
    7,290.48x = 10,936.44 × 2,097.12
  4. Step 4: Simplify right side
    7,290.48x = 22,935,027.05
  5. Step 5: Solve for x
    x = 22,935,027.05/7,290.48
  6. Step 6: Final answer
    x = 3,145.89

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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.