Home / 3,461.42-4,777.16-1,949.02

Finding the Fourth Proportional to 3,461.42, 4,777.16 and 1,949.02

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Solution

The fourth proportional to 3,461.42, 4,777.16 and 1,949.02 is: 2,689.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.42 : 4,777.16 = 1,949.02 : x
  2. Step 2: Convert to fraction form
    3,461.42/4,777.16 = 1,949.02/x
  3. Step 3: Cross multiply
    3,461.42x = 4,777.16 × 1,949.02
  4. Step 4: Simplify right side
    3,461.42x = 9,310,811.47
  5. Step 5: Solve for x
    x = 9,310,811.47/3,461.42
  6. Step 6: Final answer
    x = 2,689.88

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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.