Home / 4,885.09-6,735.07-3,113.62

Finding the Fourth Proportional to 4,885.09, 6,735.07 and 3,113.62

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Solution

The fourth proportional to 4,885.09, 6,735.07 and 3,113.62 is: 4,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.09 : 6,735.07 = 3,113.62 : x
  2. Step 2: Convert to fraction form
    4,885.09/6,735.07 = 3,113.62/x
  3. Step 3: Cross multiply
    4,885.09x = 6,735.07 × 3,113.62
  4. Step 4: Simplify right side
    4,885.09x = 20,970,448.65
  5. Step 5: Solve for x
    x = 20,970,448.65/4,885.09
  6. Step 6: Final answer
    x = 4,292.75

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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.