Home / 6,385.70-9,581.91-3,057.71

Finding the Fourth Proportional to 6,385.70, 9,581.91 and 3,057.71

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Solution

The fourth proportional to 6,385.70, 9,581.91 and 3,057.71 is: 4,588.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.70 : 9,581.91 = 3,057.71 : x
  2. Step 2: Convert to fraction form
    6,385.70/9,581.91 = 3,057.71/x
  3. Step 3: Cross multiply
    6,385.70x = 9,581.91 × 3,057.71
  4. Step 4: Simplify right side
    6,385.70x = 29,298,702.03
  5. Step 5: Solve for x
    x = 29,298,702.03/6,385.70
  6. Step 6: Final answer
    x = 4,588.17

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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.