Home / 9,133.05-13,700.41-2,891.43

Finding the Fourth Proportional to 9,133.05, 13,700.41 and 2,891.43

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Solution

The fourth proportional to 9,133.05, 13,700.41 and 2,891.43 is: 4,337.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.05 : 13,700.41 = 2,891.43 : x
  2. Step 2: Convert to fraction form
    9,133.05/13,700.41 = 2,891.43/x
  3. Step 3: Cross multiply
    9,133.05x = 13,700.41 × 2,891.43
  4. Step 4: Simplify right side
    9,133.05x = 39,613,769.26
  5. Step 5: Solve for x
    x = 39,613,769.26/9,133.05
  6. Step 6: Final answer
    x = 4,337.41

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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.