Home / 3,885.17-5,827.95-1,936.71

Finding the Fourth Proportional to 3,885.17, 5,827.95 and 1,936.71

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Solution

The fourth proportional to 3,885.17, 5,827.95 and 1,936.71 is: 2,905.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.17 : 5,827.95 = 1,936.71 : x
  2. Step 2: Convert to fraction form
    3,885.17/5,827.95 = 1,936.71/x
  3. Step 3: Cross multiply
    3,885.17x = 5,827.95 × 1,936.71
  4. Step 4: Simplify right side
    3,885.17x = 11,287,049.04
  5. Step 5: Solve for x
    x = 11,287,049.04/3,885.17
  6. Step 6: Final answer
    x = 2,905.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.