Home / 5,092.71-7,637.83-2,129.55

Finding the Fourth Proportional to 5,092.71, 7,637.83 and 2,129.55

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Solution

The fourth proportional to 5,092.71, 7,637.83 and 2,129.55 is: 3,193.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.71 : 7,637.83 = 2,129.55 : x
  2. Step 2: Convert to fraction form
    5,092.71/7,637.83 = 2,129.55/x
  3. Step 3: Cross multiply
    5,092.71x = 7,637.83 × 2,129.55
  4. Step 4: Simplify right side
    5,092.71x = 16,265,140.88
  5. Step 5: Solve for x
    x = 16,265,140.88/5,092.71
  6. Step 6: Final answer
    x = 3,193.81

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1.5x scale

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.