Home / 5,559.45-8,337.07-2,270.78

Finding the Fourth Proportional to 5,559.45, 8,337.07 and 2,270.78

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Solution

The fourth proportional to 5,559.45, 8,337.07 and 2,270.78 is: 3,405.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.45 : 8,337.07 = 2,270.78 : x
  2. Step 2: Convert to fraction form
    5,559.45/8,337.07 = 2,270.78/x
  3. Step 3: Cross multiply
    5,559.45x = 8,337.07 × 2,270.78
  4. Step 4: Simplify right side
    5,559.45x = 18,931,651.81
  5. Step 5: Solve for x
    x = 18,931,651.81/5,559.45
  6. Step 6: Final answer
    x = 3,405.31

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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.