Home / 5,266.63-7,899.85-1,571.37

Finding the Fourth Proportional to 5,266.63, 7,899.85 and 1,571.37

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Solution

The fourth proportional to 5,266.63, 7,899.85 and 1,571.37 is: 2,357.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.63 : 7,899.85 = 1,571.37 : x
  2. Step 2: Convert to fraction form
    5,266.63/7,899.85 = 1,571.37/x
  3. Step 3: Cross multiply
    5,266.63x = 7,899.85 × 1,571.37
  4. Step 4: Simplify right side
    5,266.63x = 12,413,539.94
  5. Step 5: Solve for x
    x = 12,413,539.94/5,266.63
  6. Step 6: Final answer
    x = 2,357.02

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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.