Home / 5,711.85-8,558.28-3,515.94

Finding the Fourth Proportional to 5,711.85, 8,558.28 and 3,515.94

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Solution

The fourth proportional to 5,711.85, 8,558.28 and 3,515.94 is: 5,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.85 : 8,558.28 = 3,515.94 : x
  2. Step 2: Convert to fraction form
    5,711.85/8,558.28 = 3,515.94/x
  3. Step 3: Cross multiply
    5,711.85x = 8,558.28 × 3,515.94
  4. Step 4: Simplify right side
    5,711.85x = 30,090,398.98
  5. Step 5: Solve for x
    x = 30,090,398.98/5,711.85
  6. Step 6: Final answer
    x = 5,268.07

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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.