Home / 4,763.13-7,143.75-1,475.43

Finding the Fourth Proportional to 4,763.13, 7,143.75 and 1,475.43

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Solution

The fourth proportional to 4,763.13, 7,143.75 and 1,475.43 is: 2,212.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,763.13 : 7,143.75 = 1,475.43 : x
  2. Step 2: Convert to fraction form
    4,763.13/7,143.75 = 1,475.43/x
  3. Step 3: Cross multiply
    4,763.13x = 7,143.75 × 1,475.43
  4. Step 4: Simplify right side
    4,763.13x = 10,540,103.06
  5. Step 5: Solve for x
    x = 10,540,103.06/4,763.13
  6. Step 6: Final answer
    x = 2,212.85

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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.