Home / 2,740.45-4,112.49-1,009.07

Finding the Fourth Proportional to 2,740.45, 4,112.49 and 1,009.07

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Solution

The fourth proportional to 2,740.45, 4,112.49 and 1,009.07 is: 1,514.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.45 : 4,112.49 = 1,009.07 : x
  2. Step 2: Convert to fraction form
    2,740.45/4,112.49 = 1,009.07/x
  3. Step 3: Cross multiply
    2,740.45x = 4,112.49 × 1,009.07
  4. Step 4: Simplify right side
    2,740.45x = 4,149,790.28
  5. Step 5: Solve for x
    x = 4,149,790.28/2,740.45
  6. Step 6: Final answer
    x = 1,514.27

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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.