Home / 5,104.99-7,043.96-3,116.17

Finding the Fourth Proportional to 5,104.99, 7,043.96 and 3,116.17

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Solution

The fourth proportional to 5,104.99, 7,043.96 and 3,116.17 is: 4,299.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.99 : 7,043.96 = 3,116.17 : x
  2. Step 2: Convert to fraction form
    5,104.99/7,043.96 = 3,116.17/x
  3. Step 3: Cross multiply
    5,104.99x = 7,043.96 × 3,116.17
  4. Step 4: Simplify right side
    5,104.99x = 21,950,193.43
  5. Step 5: Solve for x
    x = 21,950,193.43/5,104.99
  6. Step 6: Final answer
    x = 4,299.75

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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.