Home / 6,144.57-8,480.12-3,627.51

Finding the Fourth Proportional to 6,144.57, 8,480.12 and 3,627.51

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Solution

The fourth proportional to 6,144.57, 8,480.12 and 3,627.51 is: 5,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144.57 : 8,480.12 = 3,627.51 : x
  2. Step 2: Convert to fraction form
    6,144.57/8,480.12 = 3,627.51/x
  3. Step 3: Cross multiply
    6,144.57x = 8,480.12 × 3,627.51
  4. Step 4: Simplify right side
    6,144.57x = 30,761,701.96
  5. Step 5: Solve for x
    x = 30,761,701.96/6,144.57
  6. Step 6: Final answer
    x = 5,006.32

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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.