Home / 4,759.79-7,105.61-4,137.18

Finding the Fourth Proportional to 4,759.79, 7,105.61 and 4,137.18

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Solution

The fourth proportional to 4,759.79, 7,105.61 and 4,137.18 is: 6,176.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.79 : 7,105.61 = 4,137.18 : x
  2. Step 2: Convert to fraction form
    4,759.79/7,105.61 = 4,137.18/x
  3. Step 3: Cross multiply
    4,759.79x = 7,105.61 × 4,137.18
  4. Step 4: Simplify right side
    4,759.79x = 29,397,171.28
  5. Step 5: Solve for x
    x = 29,397,171.28/4,759.79
  6. Step 6: Final answer
    x = 6,176.15

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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.