Home / 3,115.11-4,672.64-1,035.27

Finding the Fourth Proportional to 3,115.11, 4,672.64 and 1,035.27

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Solution

The fourth proportional to 3,115.11, 4,672.64 and 1,035.27 is: 1,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.11 : 4,672.64 = 1,035.27 : x
  2. Step 2: Convert to fraction form
    3,115.11/4,672.64 = 1,035.27/x
  3. Step 3: Cross multiply
    3,115.11x = 4,672.64 × 1,035.27
  4. Step 4: Simplify right side
    3,115.11x = 4,837,444.01
  5. Step 5: Solve for x
    x = 4,837,444.01/3,115.11
  6. Step 6: Final answer
    x = 1,552.90

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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.