Home / 5,238.27-7,858.35-2,316.60

Finding the Fourth Proportional to 5,238.27, 7,858.35 and 2,316.60

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Solution

The fourth proportional to 5,238.27, 7,858.35 and 2,316.60 is: 3,475.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.27 : 7,858.35 = 2,316.60 : x
  2. Step 2: Convert to fraction form
    5,238.27/7,858.35 = 2,316.60/x
  3. Step 3: Cross multiply
    5,238.27x = 7,858.35 × 2,316.60
  4. Step 4: Simplify right side
    5,238.27x = 18,204,653.61
  5. Step 5: Solve for x
    x = 18,204,653.61/5,238.27
  6. Step 6: Final answer
    x = 3,475.32

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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.