Home / 2,042.99-2,817.69-1,334.78

Finding the Fourth Proportional to 2,042.99, 2,817.69 and 1,334.78

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Solution

The fourth proportional to 2,042.99, 2,817.69 and 1,334.78 is: 1,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.99 : 2,817.69 = 1,334.78 : x
  2. Step 2: Convert to fraction form
    2,042.99/2,817.69 = 1,334.78/x
  3. Step 3: Cross multiply
    2,042.99x = 2,817.69 × 1,334.78
  4. Step 4: Simplify right side
    2,042.99x = 3,760,996.26
  5. Step 5: Solve for x
    x = 3,760,996.26/2,042.99
  6. Step 6: Final answer
    x = 1,840.93

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1.5x scale

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.