Home / 5,213.96-7,816.60-2,439.16

Finding the Fourth Proportional to 5,213.96, 7,816.60 and 2,439.16

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Solution

The fourth proportional to 5,213.96, 7,816.60 and 2,439.16 is: 3,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.96 : 7,816.60 = 2,439.16 : x
  2. Step 2: Convert to fraction form
    5,213.96/7,816.60 = 2,439.16/x
  3. Step 3: Cross multiply
    5,213.96x = 7,816.60 × 2,439.16
  4. Step 4: Simplify right side
    5,213.96x = 19,065,938.06
  5. Step 5: Solve for x
    x = 19,065,938.06/5,213.96
  6. Step 6: Final answer
    x = 3,656.71

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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.