Home / 4,020.12-6,020.46-3,948.84

Finding the Fourth Proportional to 4,020.12, 6,020.46 and 3,948.84

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Solution

The fourth proportional to 4,020.12, 6,020.46 and 3,948.84 is: 5,913.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.12 : 6,020.46 = 3,948.84 : x
  2. Step 2: Convert to fraction form
    4,020.12/6,020.46 = 3,948.84/x
  3. Step 3: Cross multiply
    4,020.12x = 6,020.46 × 3,948.84
  4. Step 4: Simplify right side
    4,020.12x = 23,773,833.27
  5. Step 5: Solve for x
    x = 23,773,833.27/4,020.12
  6. Step 6: Final answer
    x = 5,913.71

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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.