Home / 4,726.96-7,092.64-2,128.48

Finding the Fourth Proportional to 4,726.96, 7,092.64 and 2,128.48

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Solution

The fourth proportional to 4,726.96, 7,092.64 and 2,128.48 is: 3,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,726.96 : 7,092.64 = 2,128.48 : x
  2. Step 2: Convert to fraction form
    4,726.96/7,092.64 = 2,128.48/x
  3. Step 3: Cross multiply
    4,726.96x = 7,092.64 × 2,128.48
  4. Step 4: Simplify right side
    4,726.96x = 15,096,542.39
  5. Step 5: Solve for x
    x = 15,096,542.39/4,726.96
  6. Step 6: Final answer
    x = 3,193.71

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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.