Home / 4,202.78-5,802.33-3,735.68

Finding the Fourth Proportional to 4,202.78, 5,802.33 and 3,735.68

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Solution

The fourth proportional to 4,202.78, 5,802.33 and 3,735.68 is: 5,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,202.78 : 5,802.33 = 3,735.68 : x
  2. Step 2: Convert to fraction form
    4,202.78/5,802.33 = 3,735.68/x
  3. Step 3: Cross multiply
    4,202.78x = 5,802.33 × 3,735.68
  4. Step 4: Simplify right side
    4,202.78x = 21,675,619.12
  5. Step 5: Solve for x
    x = 21,675,619.12/4,202.78
  6. Step 6: Final answer
    x = 5,157.45

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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.