Home / 3,355.16-5,032.44-1,505.78

Finding the Fourth Proportional to 3,355.16, 5,032.44 and 1,505.78

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Solution

The fourth proportional to 3,355.16, 5,032.44 and 1,505.78 is: 2,258.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.16 : 5,032.44 = 1,505.78 : x
  2. Step 2: Convert to fraction form
    3,355.16/5,032.44 = 1,505.78/x
  3. Step 3: Cross multiply
    3,355.16x = 5,032.44 × 1,505.78
  4. Step 4: Simplify right side
    3,355.16x = 7,577,747.50
  5. Step 5: Solve for x
    x = 7,577,747.50/3,355.16
  6. Step 6: Final answer
    x = 2,258.54

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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.