Home / 5,765.28-8,650.08-3,458.40

Finding the Fourth Proportional to 5,765.28, 8,650.08 and 3,458.40

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Solution

The fourth proportional to 5,765.28, 8,650.08 and 3,458.40 is: 5,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.28 : 8,650.08 = 3,458.40 : x
  2. Step 2: Convert to fraction form
    5,765.28/8,650.08 = 3,458.40/x
  3. Step 3: Cross multiply
    5,765.28x = 8,650.08 × 3,458.40
  4. Step 4: Simplify right side
    5,765.28x = 29,915,436.67
  5. Step 5: Solve for x
    x = 29,915,436.67/5,765.28
  6. Step 6: Final answer
    x = 5,188.90

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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.