Home / 2,911.65-4,018.46-1,793.31

Finding the Fourth Proportional to 2,911.65, 4,018.46 and 1,793.31

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Solution

The fourth proportional to 2,911.65, 4,018.46 and 1,793.31 is: 2,475.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.65 : 4,018.46 = 1,793.31 : x
  2. Step 2: Convert to fraction form
    2,911.65/4,018.46 = 1,793.31/x
  3. Step 3: Cross multiply
    2,911.65x = 4,018.46 × 1,793.31
  4. Step 4: Simplify right side
    2,911.65x = 7,206,335.54
  5. Step 5: Solve for x
    x = 7,206,335.54/2,911.65
  6. Step 6: Final answer
    x = 2,475.00

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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.