Home / 5,020.20-7,534.10-1,900.08

Finding the Fourth Proportional to 5,020.20, 7,534.10 and 1,900.08

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Solution

The fourth proportional to 5,020.20, 7,534.10 and 1,900.08 is: 2,851.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.20 : 7,534.10 = 1,900.08 : x
  2. Step 2: Convert to fraction form
    5,020.20/7,534.10 = 1,900.08/x
  3. Step 3: Cross multiply
    5,020.20x = 7,534.10 × 1,900.08
  4. Step 4: Simplify right side
    5,020.20x = 14,315,392.73
  5. Step 5: Solve for x
    x = 14,315,392.73/5,020.20
  6. Step 6: Final answer
    x = 2,851.56

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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.