Home / 5,261.76-7,895.88-3,966.48

Finding the Fourth Proportional to 5,261.76, 7,895.88 and 3,966.48

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Solution

The fourth proportional to 5,261.76, 7,895.88 and 3,966.48 is: 5,952.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.76 : 7,895.88 = 3,966.48 : x
  2. Step 2: Convert to fraction form
    5,261.76/7,895.88 = 3,966.48/x
  3. Step 3: Cross multiply
    5,261.76x = 7,895.88 × 3,966.48
  4. Step 4: Simplify right side
    5,261.76x = 31,318,850.10
  5. Step 5: Solve for x
    x = 31,318,850.10/5,261.76
  6. Step 6: Final answer
    x = 5,952.16

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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.