Home / 5,815.56-8,722.40-1,597.83

Finding the Fourth Proportional to 5,815.56, 8,722.40 and 1,597.83

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Solution

The fourth proportional to 5,815.56, 8,722.40 and 1,597.83 is: 2,396.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.56 : 8,722.40 = 1,597.83 : x
  2. Step 2: Convert to fraction form
    5,815.56/8,722.40 = 1,597.83/x
  3. Step 3: Cross multiply
    5,815.56x = 8,722.40 × 1,597.83
  4. Step 4: Simplify right side
    5,815.56x = 13,936,912.39
  5. Step 5: Solve for x
    x = 13,936,912.39/5,815.56
  6. Step 6: Final answer
    x = 2,396.49

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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.