Home / 2,784.53-3,845.63-1,892.26

Finding the Fourth Proportional to 2,784.53, 3,845.63 and 1,892.26

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Solution

The fourth proportional to 2,784.53, 3,845.63 and 1,892.26 is: 2,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.53 : 3,845.63 = 1,892.26 : x
  2. Step 2: Convert to fraction form
    2,784.53/3,845.63 = 1,892.26/x
  3. Step 3: Cross multiply
    2,784.53x = 3,845.63 × 1,892.26
  4. Step 4: Simplify right side
    2,784.53x = 7,276,931.82
  5. Step 5: Solve for x
    x = 7,276,931.82/2,784.53
  6. Step 6: Final answer
    x = 2,613.34

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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.