Home / 3,765.33-5,194.40-2,439.45

Finding the Fourth Proportional to 3,765.33, 5,194.40 and 2,439.45

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Solution

The fourth proportional to 3,765.33, 5,194.40 and 2,439.45 is: 3,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.33 : 5,194.40 = 2,439.45 : x
  2. Step 2: Convert to fraction form
    3,765.33/5,194.40 = 2,439.45/x
  3. Step 3: Cross multiply
    3,765.33x = 5,194.40 × 2,439.45
  4. Step 4: Simplify right side
    3,765.33x = 12,671,466.88
  5. Step 5: Solve for x
    x = 12,671,466.88/3,765.33
  6. Step 6: Final answer
    x = 3,365.30

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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.