Home / 6,310.16-8,703.36-4,631

Finding the Fourth Proportional to 6,310.16, 8,703.36 and 4,631

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Solution

The fourth proportional to 6,310.16, 8,703.36 and 4,631 is: 6,387.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.16 : 8,703.36 = 4,631 : x
  2. Step 2: Convert to fraction form
    6,310.16/8,703.36 = 4,631/x
  3. Step 3: Cross multiply
    6,310.16x = 8,703.36 × 4,631
  4. Step 4: Simplify right side
    6,310.16x = 40,305,260.16
  5. Step 5: Solve for x
    x = 40,305,260.16/6,310.16
  6. Step 6: Final answer
    x = 6,387.36

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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.