Home / 6,220.05-8,583.54-3,387.46

Finding the Fourth Proportional to 6,220.05, 8,583.54 and 3,387.46

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Solution

The fourth proportional to 6,220.05, 8,583.54 and 3,387.46 is: 4,674.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.05 : 8,583.54 = 3,387.46 : x
  2. Step 2: Convert to fraction form
    6,220.05/8,583.54 = 3,387.46/x
  3. Step 3: Cross multiply
    6,220.05x = 8,583.54 × 3,387.46
  4. Step 4: Simplify right side
    6,220.05x = 29,076,355.49
  5. Step 5: Solve for x
    x = 29,076,355.49/6,220.05
  6. Step 6: Final answer
    x = 4,674.62

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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.