Home / 5,429.58-8,148.29-2,310.45

Finding the Fourth Proportional to 5,429.58, 8,148.29 and 2,310.45

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Solution

The fourth proportional to 5,429.58, 8,148.29 and 2,310.45 is: 3,467.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.58 : 8,148.29 = 2,310.45 : x
  2. Step 2: Convert to fraction form
    5,429.58/8,148.29 = 2,310.45/x
  3. Step 3: Cross multiply
    5,429.58x = 8,148.29 × 2,310.45
  4. Step 4: Simplify right side
    5,429.58x = 18,826,174.52
  5. Step 5: Solve for x
    x = 18,826,174.52/5,429.58
  6. Step 6: Final answer
    x = 3,467.34

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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.