Home / 5,100.63-7,650.23-1,637.43

Finding the Fourth Proportional to 5,100.63, 7,650.23 and 1,637.43

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Solution

The fourth proportional to 5,100.63, 7,650.23 and 1,637.43 is: 2,455.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.63 : 7,650.23 = 1,637.43 : x
  2. Step 2: Convert to fraction form
    5,100.63/7,650.23 = 1,637.43/x
  3. Step 3: Cross multiply
    5,100.63x = 7,650.23 × 1,637.43
  4. Step 4: Simplify right side
    5,100.63x = 12,526,707.92
  5. Step 5: Solve for x
    x = 12,526,707.92/5,100.63
  6. Step 6: Final answer
    x = 2,455.91

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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.