Home / 5,148.05-7,104.51-3,023.64

Finding the Fourth Proportional to 5,148.05, 7,104.51 and 3,023.64

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Solution

The fourth proportional to 5,148.05, 7,104.51 and 3,023.64 is: 4,172.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.05 : 7,104.51 = 3,023.64 : x
  2. Step 2: Convert to fraction form
    5,148.05/7,104.51 = 3,023.64/x
  3. Step 3: Cross multiply
    5,148.05x = 7,104.51 × 3,023.64
  4. Step 4: Simplify right side
    5,148.05x = 21,481,480.62
  5. Step 5: Solve for x
    x = 21,481,480.62/5,148.05
  6. Step 6: Final answer
    x = 4,172.75

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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.