Home / 2,128.97-3,173.33-2,024.99

Finding the Fourth Proportional to 2,128.97, 3,173.33 and 2,024.99

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Solution

The fourth proportional to 2,128.97, 3,173.33 and 2,024.99 is: 3,018.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128.97 : 3,173.33 = 2,024.99 : x
  2. Step 2: Convert to fraction form
    2,128.97/3,173.33 = 2,024.99/x
  3. Step 3: Cross multiply
    2,128.97x = 3,173.33 × 2,024.99
  4. Step 4: Simplify right side
    2,128.97x = 6,425,961.52
  5. Step 5: Solve for x
    x = 6,425,961.52/2,128.97
  6. Step 6: Final answer
    x = 3,018.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.