Home / 4,578.32-6,868.02-3,431.36

Finding the Fourth Proportional to 4,578.32, 6,868.02 and 3,431.36

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Solution

The fourth proportional to 4,578.32, 6,868.02 and 3,431.36 is: 5,147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.32 : 6,868.02 = 3,431.36 : x
  2. Step 2: Convert to fraction form
    4,578.32/6,868.02 = 3,431.36/x
  3. Step 3: Cross multiply
    4,578.32x = 6,868.02 × 3,431.36
  4. Step 4: Simplify right side
    4,578.32x = 23,566,649.11
  5. Step 5: Solve for x
    x = 23,566,649.11/4,578.32
  6. Step 6: Final answer
    x = 5,147.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.