Home / 2,998.17-4,137.36-1,671.81

Finding the Fourth Proportional to 2,998.17, 4,137.36 and 1,671.81

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Solution

The fourth proportional to 2,998.17, 4,137.36 and 1,671.81 is: 2,307.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.17 : 4,137.36 = 1,671.81 : x
  2. Step 2: Convert to fraction form
    2,998.17/4,137.36 = 1,671.81/x
  3. Step 3: Cross multiply
    2,998.17x = 4,137.36 × 1,671.81
  4. Step 4: Simplify right side
    2,998.17x = 6,916,879.82
  5. Step 5: Solve for x
    x = 6,916,879.82/2,998.17
  6. Step 6: Final answer
    x = 2,307.03

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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.