Home / 5,529.91-7,631.36-3,012.14

Finding the Fourth Proportional to 5,529.91, 7,631.36 and 3,012.14

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Solution

The fourth proportional to 5,529.91, 7,631.36 and 3,012.14 is: 4,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.91 : 7,631.36 = 3,012.14 : x
  2. Step 2: Convert to fraction form
    5,529.91/7,631.36 = 3,012.14/x
  3. Step 3: Cross multiply
    5,529.91x = 7,631.36 × 3,012.14
  4. Step 4: Simplify right side
    5,529.91x = 22,986,724.71
  5. Step 5: Solve for x
    x = 22,986,724.71/5,529.91
  6. Step 6: Final answer
    x = 4,156.80

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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.