Home / 5,166.64-7,753.56-3,871.48

Finding the Fourth Proportional to 5,166.64, 7,753.56 and 3,871.48

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Solution

The fourth proportional to 5,166.64, 7,753.56 and 3,871.48 is: 5,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.64 : 7,753.56 = 3,871.48 : x
  2. Step 2: Convert to fraction form
    5,166.64/7,753.56 = 3,871.48/x
  3. Step 3: Cross multiply
    5,166.64x = 7,753.56 × 3,871.48
  4. Step 4: Simplify right side
    5,166.64x = 30,017,752.47
  5. Step 5: Solve for x
    x = 30,017,752.47/5,166.64
  6. Step 6: Final answer
    x = 5,809.92

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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.