Home / 5,806.40-8,707.39-2,472.55

Finding the Fourth Proportional to 5,806.40, 8,707.39 and 2,472.55

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Solution

The fourth proportional to 5,806.40, 8,707.39 and 2,472.55 is: 3,707.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.40 : 8,707.39 = 2,472.55 : x
  2. Step 2: Convert to fraction form
    5,806.40/8,707.39 = 2,472.55/x
  3. Step 3: Cross multiply
    5,806.40x = 8,707.39 × 2,472.55
  4. Step 4: Simplify right side
    5,806.40x = 21,529,450.21
  5. Step 5: Solve for x
    x = 21,529,450.21/5,806.40
  6. Step 6: Final answer
    x = 3,707.89

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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.