Home / 4,000.42-5,519.94-2,406.68

Finding the Fourth Proportional to 4,000.42, 5,519.94 and 2,406.68

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Solution

The fourth proportional to 4,000.42, 5,519.94 and 2,406.68 is: 3,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.42 : 5,519.94 = 2,406.68 : x
  2. Step 2: Convert to fraction form
    4,000.42/5,519.94 = 2,406.68/x
  3. Step 3: Cross multiply
    4,000.42x = 5,519.94 × 2,406.68
  4. Step 4: Simplify right side
    4,000.42x = 13,284,729.20
  5. Step 5: Solve for x
    x = 13,284,729.20/4,000.42
  6. Step 6: Final answer
    x = 3,320.83

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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.