Home / 3,491.19-5,236.47-2,095.15

Finding the Fourth Proportional to 3,491.19, 5,236.47 and 2,095.15

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Solution

The fourth proportional to 3,491.19, 5,236.47 and 2,095.15 is: 3,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.19 : 5,236.47 = 2,095.15 : x
  2. Step 2: Convert to fraction form
    3,491.19/5,236.47 = 2,095.15/x
  3. Step 3: Cross multiply
    3,491.19x = 5,236.47 × 2,095.15
  4. Step 4: Simplify right side
    3,491.19x = 10,971,190.12
  5. Step 5: Solve for x
    x = 10,971,190.12/3,491.19
  6. Step 6: Final answer
    x = 3,142.54

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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.