Home / 2,486.49-3,406.52-2,393.09

Finding the Fourth Proportional to 2,486.49, 3,406.52 and 2,393.09

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Solution

The fourth proportional to 2,486.49, 3,406.52 and 2,393.09 is: 3,278.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.49 : 3,406.52 = 2,393.09 : x
  2. Step 2: Convert to fraction form
    2,486.49/3,406.52 = 2,393.09/x
  3. Step 3: Cross multiply
    2,486.49x = 3,406.52 × 2,393.09
  4. Step 4: Simplify right side
    2,486.49x = 8,152,108.95
  5. Step 5: Solve for x
    x = 8,152,108.95/2,486.49
  6. Step 6: Final answer
    x = 3,278.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.