Home / 5,292.32-7,942.96-2,174

Finding the Fourth Proportional to 5,292.32, 7,942.96 and 2,174

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Solution

The fourth proportional to 5,292.32, 7,942.96 and 2,174 is: 3,262.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.32 : 7,942.96 = 2,174 : x
  2. Step 2: Convert to fraction form
    5,292.32/7,942.96 = 2,174/x
  3. Step 3: Cross multiply
    5,292.32x = 7,942.96 × 2,174
  4. Step 4: Simplify right side
    5,292.32x = 17,267,995.04
  5. Step 5: Solve for x
    x = 17,267,995.04/5,292.32
  6. Step 6: Final answer
    x = 3,262.84

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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.