Home / 4,665.02-7,002.39-2,069.78

Finding the Fourth Proportional to 4,665.02, 7,002.39 and 2,069.78

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Solution

The fourth proportional to 4,665.02, 7,002.39 and 2,069.78 is: 3,106.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.02 : 7,002.39 = 2,069.78 : x
  2. Step 2: Convert to fraction form
    4,665.02/7,002.39 = 2,069.78/x
  3. Step 3: Cross multiply
    4,665.02x = 7,002.39 × 2,069.78
  4. Step 4: Simplify right side
    4,665.02x = 14,493,406.77
  5. Step 5: Solve for x
    x = 14,493,406.77/4,665.02
  6. Step 6: Final answer
    x = 3,106.83

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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.