Home / 5,316.20-7,336.46-2,958.49

Finding the Fourth Proportional to 5,316.20, 7,336.46 and 2,958.49

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Solution

The fourth proportional to 5,316.20, 7,336.46 and 2,958.49 is: 4,082.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.20 : 7,336.46 = 2,958.49 : x
  2. Step 2: Convert to fraction form
    5,316.20/7,336.46 = 2,958.49/x
  3. Step 3: Cross multiply
    5,316.20x = 7,336.46 × 2,958.49
  4. Step 4: Simplify right side
    5,316.20x = 21,704,832.60
  5. Step 5: Solve for x
    x = 21,704,832.60/5,316.20
  6. Step 6: Final answer
    x = 4,082.78

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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.