Home / 5,601.92-8,400.72-2,681.60

Finding the Fourth Proportional to 5,601.92, 8,400.72 and 2,681.60

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Solution

The fourth proportional to 5,601.92, 8,400.72 and 2,681.60 is: 4,021.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.92 : 8,400.72 = 2,681.60 : x
  2. Step 2: Convert to fraction form
    5,601.92/8,400.72 = 2,681.60/x
  3. Step 3: Cross multiply
    5,601.92x = 8,400.72 × 2,681.60
  4. Step 4: Simplify right side
    5,601.92x = 22,527,370.75
  5. Step 5: Solve for x
    x = 22,527,370.75/5,601.92
  6. Step 6: Final answer
    x = 4,021.37

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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.