Home / 5,317.43-8,015.96-4,960.62

Finding the Fourth Proportional to 5,317.43, 8,015.96 and 4,960.62

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Solution

The fourth proportional to 5,317.43, 8,015.96 and 4,960.62 is: 7,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.43 : 8,015.96 = 4,960.62 : x
  2. Step 2: Convert to fraction form
    5,317.43/8,015.96 = 4,960.62/x
  3. Step 3: Cross multiply
    5,317.43x = 8,015.96 × 4,960.62
  4. Step 4: Simplify right side
    5,317.43x = 39,764,143.90
  5. Step 5: Solve for x
    x = 39,764,143.90/5,317.43
  6. Step 6: Final answer
    x = 7,478.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.