Home / 4,669.11-6,443.42-2,900.61

Finding the Fourth Proportional to 4,669.11, 6,443.42 and 2,900.61

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Solution

The fourth proportional to 4,669.11, 6,443.42 and 2,900.61 is: 4,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.11 : 6,443.42 = 2,900.61 : x
  2. Step 2: Convert to fraction form
    4,669.11/6,443.42 = 2,900.61/x
  3. Step 3: Cross multiply
    4,669.11x = 6,443.42 × 2,900.61
  4. Step 4: Simplify right side
    4,669.11x = 18,689,833.98
  5. Step 5: Solve for x
    x = 18,689,833.98/4,669.11
  6. Step 6: Final answer
    x = 4,002.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.