Home / 3,462.24-4,777.71-1,949.72

Finding the Fourth Proportional to 3,462.24, 4,777.71 and 1,949.72

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Solution

The fourth proportional to 3,462.24, 4,777.71 and 1,949.72 is: 2,690.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.24 : 4,777.71 = 1,949.72 : x
  2. Step 2: Convert to fraction form
    3,462.24/4,777.71 = 1,949.72/x
  3. Step 3: Cross multiply
    3,462.24x = 4,777.71 × 1,949.72
  4. Step 4: Simplify right side
    3,462.24x = 9,315,172.85
  5. Step 5: Solve for x
    x = 9,315,172.85/3,462.24
  6. Step 6: Final answer
    x = 2,690.50

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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.