Home / 2,342.25-3,513.51-1,172.54

Finding the Fourth Proportional to 2,342.25, 3,513.51 and 1,172.54

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Solution

The fourth proportional to 2,342.25, 3,513.51 and 1,172.54 is: 1,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.25 : 3,513.51 = 1,172.54 : x
  2. Step 2: Convert to fraction form
    2,342.25/3,513.51 = 1,172.54/x
  3. Step 3: Cross multiply
    2,342.25x = 3,513.51 × 1,172.54
  4. Step 4: Simplify right side
    2,342.25x = 4,119,739.80
  5. Step 5: Solve for x
    x = 4,119,739.80/2,342.25
  6. Step 6: Final answer
    x = 1,758.88

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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.