Home / 4,689.76-7,035.58-2,092.68

Finding the Fourth Proportional to 4,689.76, 7,035.58 and 2,092.68

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Solution

The fourth proportional to 4,689.76, 7,035.58 and 2,092.68 is: 3,139.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.76 : 7,035.58 = 2,092.68 : x
  2. Step 2: Convert to fraction form
    4,689.76/7,035.58 = 2,092.68/x
  3. Step 3: Cross multiply
    4,689.76x = 7,035.58 × 2,092.68
  4. Step 4: Simplify right side
    4,689.76x = 14,723,217.55
  5. Step 5: Solve for x
    x = 14,723,217.55/4,689.76
  6. Step 6: Final answer
    x = 3,139.44

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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.