Home / 3,540.84-4,886.33-1,968.95

Finding the Fourth Proportional to 3,540.84, 4,886.33 and 1,968.95

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Solution

The fourth proportional to 3,540.84, 4,886.33 and 1,968.95 is: 2,717.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.84 : 4,886.33 = 1,968.95 : x
  2. Step 2: Convert to fraction form
    3,540.84/4,886.33 = 1,968.95/x
  3. Step 3: Cross multiply
    3,540.84x = 4,886.33 × 1,968.95
  4. Step 4: Simplify right side
    3,540.84x = 9,620,905.18
  5. Step 5: Solve for x
    x = 9,620,905.18/3,540.84
  6. Step 6: Final answer
    x = 2,717.13

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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.