Home / 2,961.67-4,087-1,635.35

Finding the Fourth Proportional to 2,961.67, 4,087 and 1,635.35

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Solution

The fourth proportional to 2,961.67, 4,087 and 1,635.35 is: 2,256.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.67 : 4,087 = 1,635.35 : x
  2. Step 2: Convert to fraction form
    2,961.67/4,087 = 1,635.35/x
  3. Step 3: Cross multiply
    2,961.67x = 4,087 × 1,635.35
  4. Step 4: Simplify right side
    2,961.67x = 6,683,675.45
  5. Step 5: Solve for x
    x = 6,683,675.45/2,961.67
  6. Step 6: Final answer
    x = 2,256.73

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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.