Home / 5,115.24-7,673.82-1,651.56

Finding the Fourth Proportional to 5,115.24, 7,673.82 and 1,651.56

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Solution

The fourth proportional to 5,115.24, 7,673.82 and 1,651.56 is: 2,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.24 : 7,673.82 = 1,651.56 : x
  2. Step 2: Convert to fraction form
    5,115.24/7,673.82 = 1,651.56/x
  3. Step 3: Cross multiply
    5,115.24x = 7,673.82 × 1,651.56
  4. Step 4: Simplify right side
    5,115.24x = 12,673,774.16
  5. Step 5: Solve for x
    x = 12,673,774.16/5,115.24
  6. Step 6: Final answer
    x = 2,477.65

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1.5x scale

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.