Home / 2,851.77-3,936.65-1,733.06

Finding the Fourth Proportional to 2,851.77, 3,936.65 and 1,733.06

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Solution

The fourth proportional to 2,851.77, 3,936.65 and 1,733.06 is: 2,392.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.77 : 3,936.65 = 1,733.06 : x
  2. Step 2: Convert to fraction form
    2,851.77/3,936.65 = 1,733.06/x
  3. Step 3: Cross multiply
    2,851.77x = 3,936.65 × 1,733.06
  4. Step 4: Simplify right side
    2,851.77x = 6,822,461.57
  5. Step 5: Solve for x
    x = 6,822,461.57/2,851.77
  6. Step 6: Final answer
    x = 2,392.36

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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.