Home / 5,090.59-7,024.61-2,821.75

Finding the Fourth Proportional to 5,090.59, 7,024.61 and 2,821.75

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Solution

The fourth proportional to 5,090.59, 7,024.61 and 2,821.75 is: 3,893.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.59 : 7,024.61 = 2,821.75 : x
  2. Step 2: Convert to fraction form
    5,090.59/7,024.61 = 2,821.75/x
  3. Step 3: Cross multiply
    5,090.59x = 7,024.61 × 2,821.75
  4. Step 4: Simplify right side
    5,090.59x = 19,821,682.76
  5. Step 5: Solve for x
    x = 19,821,682.76/5,090.59
  6. Step 6: Final answer
    x = 3,893.79

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