Home / 4,000.68-5,515.94-3,057.64

Finding the Fourth Proportional to 4,000.68, 5,515.94 and 3,057.64

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Solution

The fourth proportional to 4,000.68, 5,515.94 and 3,057.64 is: 4,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.68 : 5,515.94 = 3,057.64 : x
  2. Step 2: Convert to fraction form
    4,000.68/5,515.94 = 3,057.64/x
  3. Step 3: Cross multiply
    4,000.68x = 5,515.94 × 3,057.64
  4. Step 4: Simplify right side
    4,000.68x = 16,865,758.78
  5. Step 5: Solve for x
    x = 16,865,758.78/4,000.68
  6. Step 6: Final answer
    x = 4,215.72

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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.