Home / 5,825.92-8,039.76-3,173.40

Finding the Fourth Proportional to 5,825.92, 8,039.76 and 3,173.40

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Solution

The fourth proportional to 5,825.92, 8,039.76 and 3,173.40 is: 4,379.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.92 : 8,039.76 = 3,173.40 : x
  2. Step 2: Convert to fraction form
    5,825.92/8,039.76 = 3,173.40/x
  3. Step 3: Cross multiply
    5,825.92x = 8,039.76 × 3,173.40
  4. Step 4: Simplify right side
    5,825.92x = 25,513,374.38
  5. Step 5: Solve for x
    x = 25,513,374.38/5,825.92
  6. Step 6: Final answer
    x = 4,379.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.