Home / 7,438.52-11,157.80-3,277.60

Finding the Fourth Proportional to 7,438.52, 11,157.80 and 3,277.60

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Solution

The fourth proportional to 7,438.52, 11,157.80 and 3,277.60 is: 4,916.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.52 : 11,157.80 = 3,277.60 : x
  2. Step 2: Convert to fraction form
    7,438.52/11,157.80 = 3,277.60/x
  3. Step 3: Cross multiply
    7,438.52x = 11,157.80 × 3,277.60
  4. Step 4: Simplify right side
    7,438.52x = 36,570,805.28
  5. Step 5: Solve for x
    x = 36,570,805.28/7,438.52
  6. Step 6: Final answer
    x = 4,916.41

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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.