Home / 3,701.76-5,110.30-2,860.57

Finding the Fourth Proportional to 3,701.76, 5,110.30 and 2,860.57

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Solution

The fourth proportional to 3,701.76, 5,110.30 and 2,860.57 is: 3,949.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.76 : 5,110.30 = 2,860.57 : x
  2. Step 2: Convert to fraction form
    3,701.76/5,110.30 = 2,860.57/x
  3. Step 3: Cross multiply
    3,701.76x = 5,110.30 × 2,860.57
  4. Step 4: Simplify right side
    3,701.76x = 14,618,370.87
  5. Step 5: Solve for x
    x = 14,618,370.87/3,701.76
  6. Step 6: Final answer
    x = 3,949.03

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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.