Home / 5,049.20-7,539.76-4,126.56

Finding the Fourth Proportional to 5,049.20, 7,539.76 and 4,126.56

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Solution

The fourth proportional to 5,049.20, 7,539.76 and 4,126.56 is: 6,162.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.20 : 7,539.76 = 4,126.56 : x
  2. Step 2: Convert to fraction form
    5,049.20/7,539.76 = 4,126.56/x
  3. Step 3: Cross multiply
    5,049.20x = 7,539.76 × 4,126.56
  4. Step 4: Simplify right side
    5,049.20x = 31,113,272.03
  5. Step 5: Solve for x
    x = 31,113,272.03/5,049.20
  6. Step 6: Final answer
    x = 6,162.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.