Home / 2,911.08-4,010.46-2,025.36

Finding the Fourth Proportional to 2,911.08, 4,010.46 and 2,025.36

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Solution

The fourth proportional to 2,911.08, 4,010.46 and 2,025.36 is: 2,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.08 : 4,010.46 = 2,025.36 : x
  2. Step 2: Convert to fraction form
    2,911.08/4,010.46 = 2,025.36/x
  3. Step 3: Cross multiply
    2,911.08x = 4,010.46 × 2,025.36
  4. Step 4: Simplify right side
    2,911.08x = 8,122,625.27
  5. Step 5: Solve for x
    x = 8,122,625.27/2,911.08
  6. Step 6: Final answer
    x = 2,790.24

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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.