Home / 4,512.16-6,735.56-3,899.80

Finding the Fourth Proportional to 4,512.16, 6,735.56 and 3,899.80

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Solution

The fourth proportional to 4,512.16, 6,735.56 and 3,899.80 is: 5,821.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.16 : 6,735.56 = 3,899.80 : x
  2. Step 2: Convert to fraction form
    4,512.16/6,735.56 = 3,899.80/x
  3. Step 3: Cross multiply
    4,512.16x = 6,735.56 × 3,899.80
  4. Step 4: Simplify right side
    4,512.16x = 26,267,336.89
  5. Step 5: Solve for x
    x = 26,267,336.89/4,512.16
  6. Step 6: Final answer
    x = 5,821.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.