Home / 2,784.12-3,841.86-1,542.12

Finding the Fourth Proportional to 2,784.12, 3,841.86 and 1,542.12

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Solution

The fourth proportional to 2,784.12, 3,841.86 and 1,542.12 is: 2,128.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.12 : 3,841.86 = 1,542.12 : x
  2. Step 2: Convert to fraction form
    2,784.12/3,841.86 = 1,542.12/x
  3. Step 3: Cross multiply
    2,784.12x = 3,841.86 × 1,542.12
  4. Step 4: Simplify right side
    2,784.12x = 5,924,609.14
  5. Step 5: Solve for x
    x = 5,924,609.14/2,784.12
  6. Step 6: Final answer
    x = 2,128.00

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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.