Home / 5,711.08-8,566.60-1,815.38

Finding the Fourth Proportional to 5,711.08, 8,566.60 and 1,815.38

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Solution

The fourth proportional to 5,711.08, 8,566.60 and 1,815.38 is: 2,723.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.08 : 8,566.60 = 1,815.38 : x
  2. Step 2: Convert to fraction form
    5,711.08/8,566.60 = 1,815.38/x
  3. Step 3: Cross multiply
    5,711.08x = 8,566.60 × 1,815.38
  4. Step 4: Simplify right side
    5,711.08x = 15,551,634.31
  5. Step 5: Solve for x
    x = 15,551,634.31/5,711.08
  6. Step 6: Final answer
    x = 2,723.06

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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.