Home / 4,680.05-7,021.12-1,758.38

Finding the Fourth Proportional to 4,680.05, 7,021.12 and 1,758.38

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Solution

The fourth proportional to 4,680.05, 7,021.12 and 1,758.38 is: 2,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.05 : 7,021.12 = 1,758.38 : x
  2. Step 2: Convert to fraction form
    4,680.05/7,021.12 = 1,758.38/x
  3. Step 3: Cross multiply
    4,680.05x = 7,021.12 × 1,758.38
  4. Step 4: Simplify right side
    4,680.05x = 12,345,753.09
  5. Step 5: Solve for x
    x = 12,345,753.09/4,680.05
  6. Step 6: Final answer
    x = 2,637.96

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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.