Home / 5,975.30-8,963.40-1,815.68

Finding the Fourth Proportional to 5,975.30, 8,963.40 and 1,815.68

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Solution

The fourth proportional to 5,975.30, 8,963.40 and 1,815.68 is: 2,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,975.30 : 8,963.40 = 1,815.68 : x
  2. Step 2: Convert to fraction form
    5,975.30/8,963.40 = 1,815.68/x
  3. Step 3: Cross multiply
    5,975.30x = 8,963.40 × 1,815.68
  4. Step 4: Simplify right side
    5,975.30x = 16,274,621.30
  5. Step 5: Solve for x
    x = 16,274,621.30/5,975.30
  6. Step 6: Final answer
    x = 2,723.65

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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.