Home / 3,965.60-5,948.40-2,496.80

Finding the Fourth Proportional to 3,965.60, 5,948.40 and 2,496.80

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Solution

The fourth proportional to 3,965.60, 5,948.40 and 2,496.80 is: 3,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.60 : 5,948.40 = 2,496.80 : x
  2. Step 2: Convert to fraction form
    3,965.60/5,948.40 = 2,496.80/x
  3. Step 3: Cross multiply
    3,965.60x = 5,948.40 × 2,496.80
  4. Step 4: Simplify right side
    3,965.60x = 14,851,965.12
  5. Step 5: Solve for x
    x = 14,851,965.12/3,965.60
  6. Step 6: Final answer
    x = 3,745.20

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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.