Home / 5,572.82-7,687.21-3,449.18

Finding the Fourth Proportional to 5,572.82, 7,687.21 and 3,449.18

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Solution

The fourth proportional to 5,572.82, 7,687.21 and 3,449.18 is: 4,757.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.82 : 7,687.21 = 3,449.18 : x
  2. Step 2: Convert to fraction form
    5,572.82/7,687.21 = 3,449.18/x
  3. Step 3: Cross multiply
    5,572.82x = 7,687.21 × 3,449.18
  4. Step 4: Simplify right side
    5,572.82x = 26,514,570.99
  5. Step 5: Solve for x
    x = 26,514,570.99/5,572.82
  6. Step 6: Final answer
    x = 4,757.84

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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.