Home / 3,414.12-4,711.64-1,922.13

Finding the Fourth Proportional to 3,414.12, 4,711.64 and 1,922.13

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Solution

The fourth proportional to 3,414.12, 4,711.64 and 1,922.13 is: 2,652.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.12 : 4,711.64 = 1,922.13 : x
  2. Step 2: Convert to fraction form
    3,414.12/4,711.64 = 1,922.13/x
  3. Step 3: Cross multiply
    3,414.12x = 4,711.64 × 1,922.13
  4. Step 4: Simplify right side
    3,414.12x = 9,056,374.98
  5. Step 5: Solve for x
    x = 9,056,374.98/3,414.12
  6. Step 6: Final answer
    x = 2,652.62

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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.