Home / 5,519.52-7,614.36-3,160.38

Finding the Fourth Proportional to 5,519.52, 7,614.36 and 3,160.38

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Solution

The fourth proportional to 5,519.52, 7,614.36 and 3,160.38 is: 4,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.52 : 7,614.36 = 3,160.38 : x
  2. Step 2: Convert to fraction form
    5,519.52/7,614.36 = 3,160.38/x
  3. Step 3: Cross multiply
    5,519.52x = 7,614.36 × 3,160.38
  4. Step 4: Simplify right side
    5,519.52x = 24,064,271.06
  5. Step 5: Solve for x
    x = 24,064,271.06/5,519.52
  6. Step 6: Final answer
    x = 4,359.85

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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.