Home / 5,981.11-8,971.67-2,860.38

Finding the Fourth Proportional to 5,981.11, 8,971.67 and 2,860.38

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Solution

The fourth proportional to 5,981.11, 8,971.67 and 2,860.38 is: 4,290.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.11 : 8,971.67 = 2,860.38 : x
  2. Step 2: Convert to fraction form
    5,981.11/8,971.67 = 2,860.38/x
  3. Step 3: Cross multiply
    5,981.11x = 8,971.67 × 2,860.38
  4. Step 4: Simplify right side
    5,981.11x = 25,662,385.43
  5. Step 5: Solve for x
    x = 25,662,385.43/5,981.11
  6. Step 6: Final answer
    x = 4,290.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.