Home / 6,270.74-8,653.72-3,438.05

Finding the Fourth Proportional to 6,270.74, 8,653.72 and 3,438.05

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Solution

The fourth proportional to 6,270.74, 8,653.72 and 3,438.05 is: 4,744.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.74 : 8,653.72 = 3,438.05 : x
  2. Step 2: Convert to fraction form
    6,270.74/8,653.72 = 3,438.05/x
  3. Step 3: Cross multiply
    6,270.74x = 8,653.72 × 3,438.05
  4. Step 4: Simplify right side
    6,270.74x = 29,751,922.05
  5. Step 5: Solve for x
    x = 29,751,922.05/6,270.74
  6. Step 6: Final answer
    x = 4,744.57

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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.