Home / 5,838.31-8,758.94-1,678.73

Finding the Fourth Proportional to 5,838.31, 8,758.94 and 1,678.73

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Solution

The fourth proportional to 5,838.31, 8,758.94 and 1,678.73 is: 2,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,838.31 : 8,758.94 = 1,678.73 : x
  2. Step 2: Convert to fraction form
    5,838.31/8,758.94 = 1,678.73/x
  3. Step 3: Cross multiply
    5,838.31x = 8,758.94 × 1,678.73
  4. Step 4: Simplify right side
    5,838.31x = 14,703,843.16
  5. Step 5: Solve for x
    x = 14,703,843.16/5,838.31
  6. Step 6: Final answer
    x = 2,518.51

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1.5x scale

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.