Home / 6,315.26-8,714.12-3,662.18

Finding the Fourth Proportional to 6,315.26, 8,714.12 and 3,662.18

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Solution

The fourth proportional to 6,315.26, 8,714.12 and 3,662.18 is: 5,053.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.26 : 8,714.12 = 3,662.18 : x
  2. Step 2: Convert to fraction form
    6,315.26/8,714.12 = 3,662.18/x
  3. Step 3: Cross multiply
    6,315.26x = 8,714.12 × 3,662.18
  4. Step 4: Simplify right side
    6,315.26x = 31,912,675.98
  5. Step 5: Solve for x
    x = 31,912,675.98/6,315.26
  6. Step 6: Final answer
    x = 5,053.26

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1.5x scale

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.