Home / 5,198.16-7,176.96-4,083.60

Finding the Fourth Proportional to 5,198.16, 7,176.96 and 4,083.60

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Solution

The fourth proportional to 5,198.16, 7,176.96 and 4,083.60 is: 5,638.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.16 : 7,176.96 = 4,083.60 : x
  2. Step 2: Convert to fraction form
    5,198.16/7,176.96 = 4,083.60/x
  3. Step 3: Cross multiply
    5,198.16x = 7,176.96 × 4,083.60
  4. Step 4: Simplify right side
    5,198.16x = 29,307,833.86
  5. Step 5: Solve for x
    x = 29,307,833.86/5,198.16
  6. Step 6: Final answer
    x = 5,638.12

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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.