Home / 3,316.22-4,971.83-2,859.38

Finding the Fourth Proportional to 3,316.22, 4,971.83 and 2,859.38

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Solution

The fourth proportional to 3,316.22, 4,971.83 and 2,859.38 is: 4,286.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.22 : 4,971.83 = 2,859.38 : x
  2. Step 2: Convert to fraction form
    3,316.22/4,971.83 = 2,859.38/x
  3. Step 3: Cross multiply
    3,316.22x = 4,971.83 × 2,859.38
  4. Step 4: Simplify right side
    3,316.22x = 14,216,312.11
  5. Step 5: Solve for x
    x = 14,216,312.11/3,316.22
  6. Step 6: Final answer
    x = 4,286.91

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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.