Home / 5,143.10-7,713.09-1,632.96

Finding the Fourth Proportional to 5,143.10, 7,713.09 and 1,632.96

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Solution

The fourth proportional to 5,143.10, 7,713.09 and 1,632.96 is: 2,448.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.10 : 7,713.09 = 1,632.96 : x
  2. Step 2: Convert to fraction form
    5,143.10/7,713.09 = 1,632.96/x
  3. Step 3: Cross multiply
    5,143.10x = 7,713.09 × 1,632.96
  4. Step 4: Simplify right side
    5,143.10x = 12,595,167.45
  5. Step 5: Solve for x
    x = 12,595,167.45/5,143.10
  6. Step 6: Final answer
    x = 2,448.95

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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.