Home / 2,917.47-4,024.25-1,961.98

Finding the Fourth Proportional to 2,917.47, 4,024.25 and 1,961.98

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Solution

The fourth proportional to 2,917.47, 4,024.25 and 1,961.98 is: 2,706.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.47 : 4,024.25 = 1,961.98 : x
  2. Step 2: Convert to fraction form
    2,917.47/4,024.25 = 1,961.98/x
  3. Step 3: Cross multiply
    2,917.47x = 4,024.25 × 1,961.98
  4. Step 4: Simplify right side
    2,917.47x = 7,895,488.21
  5. Step 5: Solve for x
    x = 7,895,488.21/2,917.47
  6. Step 6: Final answer
    x = 2,706.28

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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.