Home / 5,299.90-7,315.18-3,063.06

Finding the Fourth Proportional to 5,299.90, 7,315.18 and 3,063.06

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Solution

The fourth proportional to 5,299.90, 7,315.18 and 3,063.06 is: 4,227.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.90 : 7,315.18 = 3,063.06 : x
  2. Step 2: Convert to fraction form
    5,299.90/7,315.18 = 3,063.06/x
  3. Step 3: Cross multiply
    5,299.90x = 7,315.18 × 3,063.06
  4. Step 4: Simplify right side
    5,299.90x = 22,406,835.25
  5. Step 5: Solve for x
    x = 22,406,835.25/5,299.90
  6. Step 6: Final answer
    x = 4,227.78

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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.