Home / 3,798.60-5,241.92-2,205.18

Finding the Fourth Proportional to 3,798.60, 5,241.92 and 2,205.18

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Solution

The fourth proportional to 3,798.60, 5,241.92 and 2,205.18 is: 3,043.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.60 : 5,241.92 = 2,205.18 : x
  2. Step 2: Convert to fraction form
    3,798.60/5,241.92 = 2,205.18/x
  3. Step 3: Cross multiply
    3,798.60x = 5,241.92 × 2,205.18
  4. Step 4: Simplify right side
    3,798.60x = 11,559,377.15
  5. Step 5: Solve for x
    x = 11,559,377.15/3,798.60
  6. Step 6: Final answer
    x = 3,043.06

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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.