Home / 4,955.10-6,830.78-3,774.12

Finding the Fourth Proportional to 4,955.10, 6,830.78 and 3,774.12

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Solution

The fourth proportional to 4,955.10, 6,830.78 and 3,774.12 is: 5,202.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.10 : 6,830.78 = 3,774.12 : x
  2. Step 2: Convert to fraction form
    4,955.10/6,830.78 = 3,774.12/x
  3. Step 3: Cross multiply
    4,955.10x = 6,830.78 × 3,774.12
  4. Step 4: Simplify right side
    4,955.10x = 25,780,183.41
  5. Step 5: Solve for x
    x = 25,780,183.41/4,955.10
  6. Step 6: Final answer
    x = 5,202.76

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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.