Home / 5,085.62-7,012.17-4,076.51

Finding the Fourth Proportional to 5,085.62, 7,012.17 and 4,076.51

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Solution

The fourth proportional to 5,085.62, 7,012.17 and 4,076.51 is: 5,620.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.62 : 7,012.17 = 4,076.51 : x
  2. Step 2: Convert to fraction form
    5,085.62/7,012.17 = 4,076.51/x
  3. Step 3: Cross multiply
    5,085.62x = 7,012.17 × 4,076.51
  4. Step 4: Simplify right side
    5,085.62x = 28,585,198.66
  5. Step 5: Solve for x
    x = 28,585,198.66/5,085.62
  6. Step 6: Final answer
    x = 5,620.79

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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.