Home / 2,917.64-4,025.70-1,973.57

Finding the Fourth Proportional to 2,917.64, 4,025.70 and 1,973.57

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Solution

The fourth proportional to 2,917.64, 4,025.70 and 1,973.57 is: 2,723.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.64 : 4,025.70 = 1,973.57 : x
  2. Step 2: Convert to fraction form
    2,917.64/4,025.70 = 1,973.57/x
  3. Step 3: Cross multiply
    2,917.64x = 4,025.70 × 1,973.57
  4. Step 4: Simplify right side
    2,917.64x = 7,945,000.75
  5. Step 5: Solve for x
    x = 7,945,000.75/2,917.64
  6. Step 6: Final answer
    x = 2,723.09

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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.