Home / 5,524.36-7,638.60-5,435.36

Finding the Fourth Proportional to 5,524.36, 7,638.60 and 5,435.36

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Solution

The fourth proportional to 5,524.36, 7,638.60 and 5,435.36 is: 7,515.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,524.36 : 7,638.60 = 5,435.36 : x
  2. Step 2: Convert to fraction form
    5,524.36/7,638.60 = 5,435.36/x
  3. Step 3: Cross multiply
    5,524.36x = 7,638.60 × 5,435.36
  4. Step 4: Simplify right side
    5,524.36x = 41,518,540.90
  5. Step 5: Solve for x
    x = 41,518,540.90/5,524.36
  6. Step 6: Final answer
    x = 7,515.54

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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.