Home / 3,508.75-4,842.08-1,936.84

Finding the Fourth Proportional to 3,508.75, 4,842.08 and 1,936.84

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Solution

The fourth proportional to 3,508.75, 4,842.08 and 1,936.84 is: 2,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.75 : 4,842.08 = 1,936.84 : x
  2. Step 2: Convert to fraction form
    3,508.75/4,842.08 = 1,936.84/x
  3. Step 3: Cross multiply
    3,508.75x = 4,842.08 × 1,936.84
  4. Step 4: Simplify right side
    3,508.75x = 9,378,334.23
  5. Step 5: Solve for x
    x = 9,378,334.23/3,508.75
  6. Step 6: Final answer
    x = 2,672.84

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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.