Home / 5,431.59-8,141.00-2,310.66

Finding the Fourth Proportional to 5,431.59, 8,141.00 and 2,310.66

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Solution

The fourth proportional to 5,431.59, 8,141.00 and 2,310.66 is: 3,463.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.59 : 8,141.00 = 2,310.66 : x
  2. Step 2: Convert to fraction form
    5,431.59/8,141.00 = 2,310.66/x
  3. Step 3: Cross multiply
    5,431.59x = 8,141.00 × 2,310.66
  4. Step 4: Simplify right side
    5,431.59x = 18,811,071.51
  5. Step 5: Solve for x
    x = 18,811,071.51/5,431.59
  6. Step 6: Final answer
    x = 3,463.27

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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.