Home / 3,447.80-5,165.60-3,333.60

Finding the Fourth Proportional to 3,447.80, 5,165.60 and 3,333.60

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Solution

The fourth proportional to 3,447.80, 5,165.60 and 3,333.60 is: 4,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.80 : 5,165.60 = 3,333.60 : x
  2. Step 2: Convert to fraction form
    3,447.80/5,165.60 = 3,333.60/x
  3. Step 3: Cross multiply
    3,447.80x = 5,165.60 × 3,333.60
  4. Step 4: Simplify right side
    3,447.80x = 17,220,044.16
  5. Step 5: Solve for x
    x = 17,220,044.16/3,447.80
  6. Step 6: Final answer
    x = 4,994.50

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1.5x scale

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.