Home / 2,205.09-3,040.79-1,458.27

Finding the Fourth Proportional to 2,205.09, 3,040.79 and 1,458.27

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Solution

The fourth proportional to 2,205.09, 3,040.79 and 1,458.27 is: 2,010.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.09 : 3,040.79 = 1,458.27 : x
  2. Step 2: Convert to fraction form
    2,205.09/3,040.79 = 1,458.27/x
  3. Step 3: Cross multiply
    2,205.09x = 3,040.79 × 1,458.27
  4. Step 4: Simplify right side
    2,205.09x = 4,434,285.54
  5. Step 5: Solve for x
    x = 4,434,285.54/2,205.09
  6. Step 6: Final answer
    x = 2,010.93

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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.