Home / 2,917.37-4,374.92-1,274.69

Finding the Fourth Proportional to 2,917.37, 4,374.92 and 1,274.69

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Solution

The fourth proportional to 2,917.37, 4,374.92 and 1,274.69 is: 1,911.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.37 : 4,374.92 = 1,274.69 : x
  2. Step 2: Convert to fraction form
    2,917.37/4,374.92 = 1,274.69/x
  3. Step 3: Cross multiply
    2,917.37x = 4,374.92 × 1,274.69
  4. Step 4: Simplify right side
    2,917.37x = 5,576,660.40
  5. Step 5: Solve for x
    x = 5,576,660.40/2,917.37
  6. Step 6: Final answer
    x = 1,911.54

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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.