Home / 2,351.07-3,240.54-1,783.73

Finding the Fourth Proportional to 2,351.07, 3,240.54 and 1,783.73

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Solution

The fourth proportional to 2,351.07, 3,240.54 and 1,783.73 is: 2,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.07 : 3,240.54 = 1,783.73 : x
  2. Step 2: Convert to fraction form
    2,351.07/3,240.54 = 1,783.73/x
  3. Step 3: Cross multiply
    2,351.07x = 3,240.54 × 1,783.73
  4. Step 4: Simplify right side
    2,351.07x = 5,780,256.52
  5. Step 5: Solve for x
    x = 5,780,256.52/2,351.07
  6. Step 6: Final answer
    x = 2,458.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.