Home / 5,317.92-7,338.60-2,960.10

Finding the Fourth Proportional to 5,317.92, 7,338.60 and 2,960.10

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Solution

The fourth proportional to 5,317.92, 7,338.60 and 2,960.10 is: 4,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.92 : 7,338.60 = 2,960.10 : x
  2. Step 2: Convert to fraction form
    5,317.92/7,338.60 = 2,960.10/x
  3. Step 3: Cross multiply
    5,317.92x = 7,338.60 × 2,960.10
  4. Step 4: Simplify right side
    5,317.92x = 21,722,989.86
  5. Step 5: Solve for x
    x = 21,722,989.86/5,317.92
  6. Step 6: Final answer
    x = 4,084.87

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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.