Home / 5,711.30-8,566.96-3,515.42

Finding the Fourth Proportional to 5,711.30, 8,566.96 and 3,515.42

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Solution

The fourth proportional to 5,711.30, 8,566.96 and 3,515.42 is: 5,273.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.30 : 8,566.96 = 3,515.42 : x
  2. Step 2: Convert to fraction form
    5,711.30/8,566.96 = 3,515.42/x
  3. Step 3: Cross multiply
    5,711.30x = 8,566.96 × 3,515.42
  4. Step 4: Simplify right side
    5,711.30x = 30,116,475.15
  5. Step 5: Solve for x
    x = 30,116,475.15/5,711.30
  6. Step 6: Final answer
    x = 5,273.14

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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.