Home / 6,215.43-8,577.80-3,563.09

Finding the Fourth Proportional to 6,215.43, 8,577.80 and 3,563.09

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Solution

The fourth proportional to 6,215.43, 8,577.80 and 3,563.09 is: 4,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.43 : 8,577.80 = 3,563.09 : x
  2. Step 2: Convert to fraction form
    6,215.43/8,577.80 = 3,563.09/x
  3. Step 3: Cross multiply
    6,215.43x = 8,577.80 × 3,563.09
  4. Step 4: Simplify right side
    6,215.43x = 30,563,412.70
  5. Step 5: Solve for x
    x = 30,563,412.70/6,215.43
  6. Step 6: Final answer
    x = 4,917.34

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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.