Home / 2,917.75-4,025.11-1,973.87

Finding the Fourth Proportional to 2,917.75, 4,025.11 and 1,973.87

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Solution

The fourth proportional to 2,917.75, 4,025.11 and 1,973.87 is: 2,723.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.75 : 4,025.11 = 1,973.87 : x
  2. Step 2: Convert to fraction form
    2,917.75/4,025.11 = 1,973.87/x
  3. Step 3: Cross multiply
    2,917.75x = 4,025.11 × 1,973.87
  4. Step 4: Simplify right side
    2,917.75x = 7,945,043.88
  5. Step 5: Solve for x
    x = 7,945,043.88/2,917.75
  6. Step 6: Final answer
    x = 2,723.00

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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.