Home / 4,454.75-6,147.57-2,686.43

Finding the Fourth Proportional to 4,454.75, 6,147.57 and 2,686.43

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Solution

The fourth proportional to 4,454.75, 6,147.57 and 2,686.43 is: 3,707.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,454.75 : 6,147.57 = 2,686.43 : x
  2. Step 2: Convert to fraction form
    4,454.75/6,147.57 = 2,686.43/x
  3. Step 3: Cross multiply
    4,454.75x = 6,147.57 × 2,686.43
  4. Step 4: Simplify right side
    4,454.75x = 16,515,016.48
  5. Step 5: Solve for x
    x = 16,515,016.48/4,454.75
  6. Step 6: Final answer
    x = 3,707.28

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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.