Home / 5,049.63-7,574.43-1,539.63

Finding the Fourth Proportional to 5,049.63, 7,574.43 and 1,539.63

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Solution

The fourth proportional to 5,049.63, 7,574.43 and 1,539.63 is: 2,309.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.63 : 7,574.43 = 1,539.63 : x
  2. Step 2: Convert to fraction form
    5,049.63/7,574.43 = 1,539.63/x
  3. Step 3: Cross multiply
    5,049.63x = 7,574.43 × 1,539.63
  4. Step 4: Simplify right side
    5,049.63x = 11,661,819.66
  5. Step 5: Solve for x
    x = 11,661,819.66/5,049.63
  6. Step 6: Final answer
    x = 2,309.44

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1.5x scale

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.