Home / 5,445.54-7,514.37-3,087.54

Finding the Fourth Proportional to 5,445.54, 7,514.37 and 3,087.54

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Solution

The fourth proportional to 5,445.54, 7,514.37 and 3,087.54 is: 4,260.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.54 : 7,514.37 = 3,087.54 : x
  2. Step 2: Convert to fraction form
    5,445.54/7,514.37 = 3,087.54/x
  3. Step 3: Cross multiply
    5,445.54x = 7,514.37 × 3,087.54
  4. Step 4: Simplify right side
    5,445.54x = 23,200,917.95
  5. Step 5: Solve for x
    x = 23,200,917.95/5,445.54
  6. Step 6: Final answer
    x = 4,260.54

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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.