Home / 3,040.44-4,196.40-1,781.58

Finding the Fourth Proportional to 3,040.44, 4,196.40 and 1,781.58

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Solution

The fourth proportional to 3,040.44, 4,196.40 and 1,781.58 is: 2,458.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.44 : 4,196.40 = 1,781.58 : x
  2. Step 2: Convert to fraction form
    3,040.44/4,196.40 = 1,781.58/x
  3. Step 3: Cross multiply
    3,040.44x = 4,196.40 × 1,781.58
  4. Step 4: Simplify right side
    3,040.44x = 7,476,222.31
  5. Step 5: Solve for x
    x = 7,476,222.31/3,040.44
  6. Step 6: Final answer
    x = 2,458.93

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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.