Home / 5,072.36-7,003.04-3,308.99

Finding the Fourth Proportional to 5,072.36, 7,003.04 and 3,308.99

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Solution

The fourth proportional to 5,072.36, 7,003.04 and 3,308.99 is: 4,568.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.36 : 7,003.04 = 3,308.99 : x
  2. Step 2: Convert to fraction form
    5,072.36/7,003.04 = 3,308.99/x
  3. Step 3: Cross multiply
    5,072.36x = 7,003.04 × 3,308.99
  4. Step 4: Simplify right side
    5,072.36x = 23,172,937.77
  5. Step 5: Solve for x
    x = 23,172,937.77/5,072.36
  6. Step 6: Final answer
    x = 4,568.48

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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.