Home / 5,269.86-7,272.45-3,175.38

Finding the Fourth Proportional to 5,269.86, 7,272.45 and 3,175.38

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Solution

The fourth proportional to 5,269.86, 7,272.45 and 3,175.38 is: 4,382.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.86 : 7,272.45 = 3,175.38 : x
  2. Step 2: Convert to fraction form
    5,269.86/7,272.45 = 3,175.38/x
  3. Step 3: Cross multiply
    5,269.86x = 7,272.45 × 3,175.38
  4. Step 4: Simplify right side
    5,269.86x = 23,092,792.28
  5. Step 5: Solve for x
    x = 23,092,792.28/5,269.86
  6. Step 6: Final answer
    x = 4,382.05

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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.