Home / 6,220.20-8,585.34-3,864.12

Finding the Fourth Proportional to 6,220.20, 8,585.34 and 3,864.12

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Solution

The fourth proportional to 6,220.20, 8,585.34 and 3,864.12 is: 5,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.20 : 8,585.34 = 3,864.12 : x
  2. Step 2: Convert to fraction form
    6,220.20/8,585.34 = 3,864.12/x
  3. Step 3: Cross multiply
    6,220.20x = 8,585.34 × 3,864.12
  4. Step 4: Simplify right side
    6,220.20x = 33,174,784.00
  5. Step 5: Solve for x
    x = 33,174,784.00/6,220.20
  6. Step 6: Final answer
    x = 5,333.40

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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.