Home / 5,249.61-7,244.82-3,012.12

Finding the Fourth Proportional to 5,249.61, 7,244.82 and 3,012.12

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Solution

The fourth proportional to 5,249.61, 7,244.82 and 3,012.12 is: 4,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.61 : 7,244.82 = 3,012.12 : x
  2. Step 2: Convert to fraction form
    5,249.61/7,244.82 = 3,012.12/x
  3. Step 3: Cross multiply
    5,249.61x = 7,244.82 × 3,012.12
  4. Step 4: Simplify right side
    5,249.61x = 21,822,267.22
  5. Step 5: Solve for x
    x = 21,822,267.22/5,249.61
  6. Step 6: Final answer
    x = 4,156.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.