Home / 5,519.12-7,614.24-3,160.04

Finding the Fourth Proportional to 5,519.12, 7,614.24 and 3,160.04

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Solution

The fourth proportional to 5,519.12, 7,614.24 and 3,160.04 is: 4,359.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.12 : 7,614.24 = 3,160.04 : x
  2. Step 2: Convert to fraction form
    5,519.12/7,614.24 = 3,160.04/x
  3. Step 3: Cross multiply
    5,519.12x = 7,614.24 × 3,160.04
  4. Step 4: Simplify right side
    5,519.12x = 24,061,302.97
  5. Step 5: Solve for x
    x = 24,061,302.97/5,519.12
  6. Step 6: Final answer
    x = 4,359.63

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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.