Home / 5,256.43-7,253.85-2,866.54

Finding the Fourth Proportional to 5,256.43, 7,253.85 and 2,866.54

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Solution

The fourth proportional to 5,256.43, 7,253.85 and 2,866.54 is: 3,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.43 : 7,253.85 = 2,866.54 : x
  2. Step 2: Convert to fraction form
    5,256.43/7,253.85 = 2,866.54/x
  3. Step 3: Cross multiply
    5,256.43x = 7,253.85 × 2,866.54
  4. Step 4: Simplify right side
    5,256.43x = 20,793,451.18
  5. Step 5: Solve for x
    x = 20,793,451.18/5,256.43
  6. Step 6: Final answer
    x = 3,955.81

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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.