Home / 2,376.90-3,281.31-2,189.52

Finding the Fourth Proportional to 2,376.90, 3,281.31 and 2,189.52

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Solution

The fourth proportional to 2,376.90, 3,281.31 and 2,189.52 is: 3,022.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.90 : 3,281.31 = 2,189.52 : x
  2. Step 2: Convert to fraction form
    2,376.90/3,281.31 = 2,189.52/x
  3. Step 3: Cross multiply
    2,376.90x = 3,281.31 × 2,189.52
  4. Step 4: Simplify right side
    2,376.90x = 7,184,493.87
  5. Step 5: Solve for x
    x = 7,184,493.87/2,376.90
  6. Step 6: Final answer
    x = 3,022.63

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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.