Home / 5,512.77-8,310.46-5,146.16

Finding the Fourth Proportional to 5,512.77, 8,310.46 and 5,146.16

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Solution

The fourth proportional to 5,512.77, 8,310.46 and 5,146.16 is: 7,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.77 : 8,310.46 = 5,146.16 : x
  2. Step 2: Convert to fraction form
    5,512.77/8,310.46 = 5,146.16/x
  3. Step 3: Cross multiply
    5,512.77x = 8,310.46 × 5,146.16
  4. Step 4: Simplify right side
    5,512.77x = 42,766,964.74
  5. Step 5: Solve for x
    x = 42,766,964.74/5,512.77
  6. Step 6: Final answer
    x = 7,757.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.