Home / 4,877.28-7,301.34-3,318.84

Finding the Fourth Proportional to 4,877.28, 7,301.34 and 3,318.84

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Solution

The fourth proportional to 4,877.28, 7,301.34 and 3,318.84 is: 4,968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.28 : 7,301.34 = 3,318.84 : x
  2. Step 2: Convert to fraction form
    4,877.28/7,301.34 = 3,318.84/x
  3. Step 3: Cross multiply
    4,877.28x = 7,301.34 × 3,318.84
  4. Step 4: Simplify right side
    4,877.28x = 24,231,979.25
  5. Step 5: Solve for x
    x = 24,231,979.25/4,877.28
  6. Step 6: Final answer
    x = 4,968.34

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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.