Home / 2,612.14-3,604.79-1,433.19

Finding the Fourth Proportional to 2,612.14, 3,604.79 and 1,433.19

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Solution

The fourth proportional to 2,612.14, 3,604.79 and 1,433.19 is: 1,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.14 : 3,604.79 = 1,433.19 : x
  2. Step 2: Convert to fraction form
    2,612.14/3,604.79 = 1,433.19/x
  3. Step 3: Cross multiply
    2,612.14x = 3,604.79 × 1,433.19
  4. Step 4: Simplify right side
    2,612.14x = 5,166,348.98
  5. Step 5: Solve for x
    x = 5,166,348.98/2,612.14
  6. Step 6: Final answer
    x = 1,977.82

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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.