Home / 4,123.68-6,185.52-3,391.04

Finding the Fourth Proportional to 4,123.68, 6,185.52 and 3,391.04

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Solution

The fourth proportional to 4,123.68, 6,185.52 and 3,391.04 is: 5,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.68 : 6,185.52 = 3,391.04 : x
  2. Step 2: Convert to fraction form
    4,123.68/6,185.52 = 3,391.04/x
  3. Step 3: Cross multiply
    4,123.68x = 6,185.52 × 3,391.04
  4. Step 4: Simplify right side
    4,123.68x = 20,975,314.81
  5. Step 5: Solve for x
    x = 20,975,314.81/4,123.68
  6. Step 6: Final answer
    x = 5,086.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.