Home / 2,410.38-3,615.81-1,112.22

Finding the Fourth Proportional to 2,410.38, 3,615.81 and 1,112.22

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Solution

The fourth proportional to 2,410.38, 3,615.81 and 1,112.22 is: 1,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,410.38 : 3,615.81 = 1,112.22 : x
  2. Step 2: Convert to fraction form
    2,410.38/3,615.81 = 1,112.22/x
  3. Step 3: Cross multiply
    2,410.38x = 3,615.81 × 1,112.22
  4. Step 4: Simplify right side
    2,410.38x = 4,021,576.20
  5. Step 5: Solve for x
    x = 4,021,576.20/2,410.38
  6. Step 6: Final answer
    x = 1,668.44

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1.5x scale

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.