Home / 5,253.63-7,883.79-1,966.44

Finding the Fourth Proportional to 5,253.63, 7,883.79 and 1,966.44

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Solution

The fourth proportional to 5,253.63, 7,883.79 and 1,966.44 is: 2,950.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.63 : 7,883.79 = 1,966.44 : x
  2. Step 2: Convert to fraction form
    5,253.63/7,883.79 = 1,966.44/x
  3. Step 3: Cross multiply
    5,253.63x = 7,883.79 × 1,966.44
  4. Step 4: Simplify right side
    5,253.63x = 15,503,000.01
  5. Step 5: Solve for x
    x = 15,503,000.01/5,253.63
  6. Step 6: Final answer
    x = 2,950.91

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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.