Home / 1,884.79-2,827.01-1,272.43

Finding the Fourth Proportional to 1,884.79, 2,827.01 and 1,272.43

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Solution

The fourth proportional to 1,884.79, 2,827.01 and 1,272.43 is: 1,908.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.79 : 2,827.01 = 1,272.43 : x
  2. Step 2: Convert to fraction form
    1,884.79/2,827.01 = 1,272.43/x
  3. Step 3: Cross multiply
    1,884.79x = 2,827.01 × 1,272.43
  4. Step 4: Simplify right side
    1,884.79x = 3,597,151.84
  5. Step 5: Solve for x
    x = 3,597,151.84/1,884.79
  6. Step 6: Final answer
    x = 1,908.52

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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.