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Finding the Fourth Proportional to 5,771.88, 7,959.87 and 4,283.51

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Solution

The fourth proportional to 5,771.88, 7,959.87 and 4,283.51 is: 5,907.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.88 : 7,959.87 = 4,283.51 : x
  2. Step 2: Convert to fraction form
    5,771.88/7,959.87 = 4,283.51/x
  3. Step 3: Cross multiply
    5,771.88x = 7,959.87 × 4,283.51
  4. Step 4: Simplify right side
    5,771.88x = 34,096,142.94
  5. Step 5: Solve for x
    x = 34,096,142.94/5,771.88
  6. Step 6: Final answer
    x = 5,907.29

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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.