Home / 5,818.57-8,724.55-3,971.92

Finding the Fourth Proportional to 5,818.57, 8,724.55 and 3,971.92

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Solution

The fourth proportional to 5,818.57, 8,724.55 and 3,971.92 is: 5,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.57 : 8,724.55 = 3,971.92 : x
  2. Step 2: Convert to fraction form
    5,818.57/8,724.55 = 3,971.92/x
  3. Step 3: Cross multiply
    5,818.57x = 8,724.55 × 3,971.92
  4. Step 4: Simplify right side
    5,818.57x = 34,653,214.64
  5. Step 5: Solve for x
    x = 34,653,214.64/5,818.57
  6. Step 6: Final answer
    x = 5,955.62

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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.