Home / 5,262.87-7,892.34-1,930.04

Finding the Fourth Proportional to 5,262.87, 7,892.34 and 1,930.04

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Solution

The fourth proportional to 5,262.87, 7,892.34 and 1,930.04 is: 2,894.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.87 : 7,892.34 = 1,930.04 : x
  2. Step 2: Convert to fraction form
    5,262.87/7,892.34 = 1,930.04/x
  3. Step 3: Cross multiply
    5,262.87x = 7,892.34 × 1,930.04
  4. Step 4: Simplify right side
    5,262.87x = 15,232,531.89
  5. Step 5: Solve for x
    x = 15,232,531.89/5,262.87
  6. Step 6: Final answer
    x = 2,894.34

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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.