Home / 5,247.28-7,243.50-3,151

Finding the Fourth Proportional to 5,247.28, 7,243.50 and 3,151

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Solution

The fourth proportional to 5,247.28, 7,243.50 and 3,151 is: 4,349.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.28 : 7,243.50 = 3,151 : x
  2. Step 2: Convert to fraction form
    5,247.28/7,243.50 = 3,151/x
  3. Step 3: Cross multiply
    5,247.28x = 7,243.50 × 3,151
  4. Step 4: Simplify right side
    5,247.28x = 22,824,268.50
  5. Step 5: Solve for x
    x = 22,824,268.50/5,247.28
  6. Step 6: Final answer
    x = 4,349.73

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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.