Home / 6,218.50-8,581.60-3,424.06

Finding the Fourth Proportional to 6,218.50, 8,581.60 and 3,424.06

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Solution

The fourth proportional to 6,218.50, 8,581.60 and 3,424.06 is: 4,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.50 : 8,581.60 = 3,424.06 : x
  2. Step 2: Convert to fraction form
    6,218.50/8,581.60 = 3,424.06/x
  3. Step 3: Cross multiply
    6,218.50x = 8,581.60 × 3,424.06
  4. Step 4: Simplify right side
    6,218.50x = 29,383,913.30
  5. Step 5: Solve for x
    x = 29,383,913.30/6,218.50
  6. Step 6: Final answer
    x = 4,725.24

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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.