Home / 4,899.92-6,761.70-2,661.75

Finding the Fourth Proportional to 4,899.92, 6,761.70 and 2,661.75

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Solution

The fourth proportional to 4,899.92, 6,761.70 and 2,661.75 is: 3,673.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.92 : 6,761.70 = 2,661.75 : x
  2. Step 2: Convert to fraction form
    4,899.92/6,761.70 = 2,661.75/x
  3. Step 3: Cross multiply
    4,899.92x = 6,761.70 × 2,661.75
  4. Step 4: Simplify right side
    4,899.92x = 17,997,941.67
  5. Step 5: Solve for x
    x = 17,997,941.67/4,899.92
  6. Step 6: Final answer
    x = 3,673.11

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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.