Home / 6,220.52-8,584.32-3,426

Finding the Fourth Proportional to 6,220.52, 8,584.32 and 3,426

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Solution

The fourth proportional to 6,220.52, 8,584.32 and 3,426 is: 4,727.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.52 : 8,584.32 = 3,426 : x
  2. Step 2: Convert to fraction form
    6,220.52/8,584.32 = 3,426/x
  3. Step 3: Cross multiply
    6,220.52x = 8,584.32 × 3,426
  4. Step 4: Simplify right side
    6,220.52x = 29,409,880.32
  5. Step 5: Solve for x
    x = 29,409,880.32/6,220.52
  6. Step 6: Final answer
    x = 4,727.88

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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.