Home / 5,749.56-8,640.74-2,829.92

Finding the Fourth Proportional to 5,749.56, 8,640.74 and 2,829.92

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Solution

The fourth proportional to 5,749.56, 8,640.74 and 2,829.92 is: 4,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.56 : 8,640.74 = 2,829.92 : x
  2. Step 2: Convert to fraction form
    5,749.56/8,640.74 = 2,829.92/x
  3. Step 3: Cross multiply
    5,749.56x = 8,640.74 × 2,829.92
  4. Step 4: Simplify right side
    5,749.56x = 24,452,566.81
  5. Step 5: Solve for x
    x = 24,452,566.81/5,749.56
  6. Step 6: Final answer
    x = 4,252.95

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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.