Home / 7,181.56-9,910.76-4,197.52

Finding the Fourth Proportional to 7,181.56, 9,910.76 and 4,197.52

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Solution

The fourth proportional to 7,181.56, 9,910.76 and 4,197.52 is: 5,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.56 : 9,910.76 = 4,197.52 : x
  2. Step 2: Convert to fraction form
    7,181.56/9,910.76 = 4,197.52/x
  3. Step 3: Cross multiply
    7,181.56x = 9,910.76 × 4,197.52
  4. Step 4: Simplify right side
    7,181.56x = 41,600,604.72
  5. Step 5: Solve for x
    x = 41,600,604.72/7,181.56
  6. Step 6: Final answer
    x = 5,792.70

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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.