Home / 7,372.44-10,175.28-4,390

Finding the Fourth Proportional to 7,372.44, 10,175.28 and 4,390

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Solution

The fourth proportional to 7,372.44, 10,175.28 and 4,390 is: 6,058.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.44 : 10,175.28 = 4,390 : x
  2. Step 2: Convert to fraction form
    7,372.44/10,175.28 = 4,390/x
  3. Step 3: Cross multiply
    7,372.44x = 10,175.28 × 4,390
  4. Step 4: Simplify right side
    7,372.44x = 44,669,479.20
  5. Step 5: Solve for x
    x = 44,669,479.20/7,372.44
  6. Step 6: Final answer
    x = 6,058.98

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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.