Home / 5,330.20-7,992.30-2,043.40

Finding the Fourth Proportional to 5,330.20, 7,992.30 and 2,043.40

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Solution

The fourth proportional to 5,330.20, 7,992.30 and 2,043.40 is: 3,063.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.20 : 7,992.30 = 2,043.40 : x
  2. Step 2: Convert to fraction form
    5,330.20/7,992.30 = 2,043.40/x
  3. Step 3: Cross multiply
    5,330.20x = 7,992.30 × 2,043.40
  4. Step 4: Simplify right side
    5,330.20x = 16,331,465.82
  5. Step 5: Solve for x
    x = 16,331,465.82/5,330.20
  6. Step 6: Final answer
    x = 3,063.95

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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.