Home / 4,013.88-6,020.23-1,240.64

Finding the Fourth Proportional to 4,013.88, 6,020.23 and 1,240.64

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Solution

The fourth proportional to 4,013.88, 6,020.23 and 1,240.64 is: 1,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013.88 : 6,020.23 = 1,240.64 : x
  2. Step 2: Convert to fraction form
    4,013.88/6,020.23 = 1,240.64/x
  3. Step 3: Cross multiply
    4,013.88x = 6,020.23 × 1,240.64
  4. Step 4: Simplify right side
    4,013.88x = 7,468,938.15
  5. Step 5: Solve for x
    x = 7,468,938.15/4,013.88
  6. Step 6: Final answer
    x = 1,860.78

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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.