Home / 5,020.30-7,530.50-2,057.98

Finding the Fourth Proportional to 5,020.30, 7,530.50 and 2,057.98

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Solution

The fourth proportional to 5,020.30, 7,530.50 and 2,057.98 is: 3,086.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.30 : 7,530.50 = 2,057.98 : x
  2. Step 2: Convert to fraction form
    5,020.30/7,530.50 = 2,057.98/x
  3. Step 3: Cross multiply
    5,020.30x = 7,530.50 × 2,057.98
  4. Step 4: Simplify right side
    5,020.30x = 15,497,618.39
  5. Step 5: Solve for x
    x = 15,497,618.39/5,020.30
  6. Step 6: Final answer
    x = 3,086.99

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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.