Home / 5,137.45-7,103.51-4,481.35

Finding the Fourth Proportional to 5,137.45, 7,103.51 and 4,481.35

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Solution

The fourth proportional to 5,137.45, 7,103.51 and 4,481.35 is: 6,196.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.45 : 7,103.51 = 4,481.35 : x
  2. Step 2: Convert to fraction form
    5,137.45/7,103.51 = 4,481.35/x
  3. Step 3: Cross multiply
    5,137.45x = 7,103.51 × 4,481.35
  4. Step 4: Simplify right side
    5,137.45x = 31,833,314.54
  5. Step 5: Solve for x
    x = 31,833,314.54/5,137.45
  6. Step 6: Final answer
    x = 6,196.33

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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.