Home / 3,042.82-4,197.72-1,783.99

Finding the Fourth Proportional to 3,042.82, 4,197.72 and 1,783.99

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Solution

The fourth proportional to 3,042.82, 4,197.72 and 1,783.99 is: 2,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.82 : 4,197.72 = 1,783.99 : x
  2. Step 2: Convert to fraction form
    3,042.82/4,197.72 = 1,783.99/x
  3. Step 3: Cross multiply
    3,042.82x = 4,197.72 × 1,783.99
  4. Step 4: Simplify right side
    3,042.82x = 7,488,690.50
  5. Step 5: Solve for x
    x = 7,488,690.50/3,042.82
  6. Step 6: Final answer
    x = 2,461.10

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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.