Home / 6,469.02-8,928.64-4,110.70

Finding the Fourth Proportional to 6,469.02, 8,928.64 and 4,110.70

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Solution

The fourth proportional to 6,469.02, 8,928.64 and 4,110.70 is: 5,673.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469.02 : 8,928.64 = 4,110.70 : x
  2. Step 2: Convert to fraction form
    6,469.02/8,928.64 = 4,110.70/x
  3. Step 3: Cross multiply
    6,469.02x = 8,928.64 × 4,110.70
  4. Step 4: Simplify right side
    6,469.02x = 36,702,960.45
  5. Step 5: Solve for x
    x = 36,702,960.45/6,469.02
  6. Step 6: Final answer
    x = 5,673.65

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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.