Home / 5,530.13-7,631.32-3,012.23

Finding the Fourth Proportional to 5,530.13, 7,631.32 and 3,012.23

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Solution

The fourth proportional to 5,530.13, 7,631.32 and 3,012.23 is: 4,156.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.13 : 7,631.32 = 3,012.23 : x
  2. Step 2: Convert to fraction form
    5,530.13/7,631.32 = 3,012.23/x
  3. Step 3: Cross multiply
    5,530.13x = 7,631.32 × 3,012.23
  4. Step 4: Simplify right side
    5,530.13x = 22,987,256.90
  5. Step 5: Solve for x
    x = 22,987,256.90/5,530.13
  6. Step 6: Final answer
    x = 4,156.73

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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.