Home / 5,090.33-7,024.71-2,821.73

Finding the Fourth Proportional to 5,090.33, 7,024.71 and 2,821.73

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Solution

The fourth proportional to 5,090.33, 7,024.71 and 2,821.73 is: 3,894.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.33 : 7,024.71 = 2,821.73 : x
  2. Step 2: Convert to fraction form
    5,090.33/7,024.71 = 2,821.73/x
  3. Step 3: Cross multiply
    5,090.33x = 7,024.71 × 2,821.73
  4. Step 4: Simplify right side
    5,090.33x = 19,821,799.82
  5. Step 5: Solve for x
    x = 19,821,799.82/5,090.33
  6. Step 6: Final answer
    x = 3,894.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.