Home / 3,461.68-4,776.67-1,949.05

Finding the Fourth Proportional to 3,461.68, 4,776.67 and 1,949.05

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Solution

The fourth proportional to 3,461.68, 4,776.67 and 1,949.05 is: 2,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.68 : 4,776.67 = 1,949.05 : x
  2. Step 2: Convert to fraction form
    3,461.68/4,776.67 = 1,949.05/x
  3. Step 3: Cross multiply
    3,461.68x = 4,776.67 × 1,949.05
  4. Step 4: Simplify right side
    3,461.68x = 9,309,944.78
  5. Step 5: Solve for x
    x = 9,309,944.78/3,461.68
  6. Step 6: Final answer
    x = 2,689.43

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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.