Home / 6,222.29-8,586.74-3,864.43

Finding the Fourth Proportional to 6,222.29, 8,586.74 and 3,864.43

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Solution

The fourth proportional to 6,222.29, 8,586.74 and 3,864.43 is: 5,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,222.29 : 8,586.74 = 3,864.43 : x
  2. Step 2: Convert to fraction form
    6,222.29/8,586.74 = 3,864.43/x
  3. Step 3: Cross multiply
    6,222.29x = 8,586.74 × 3,864.43
  4. Step 4: Simplify right side
    6,222.29x = 33,182,843.85
  5. Step 5: Solve for x
    x = 33,182,843.85/6,222.29
  6. Step 6: Final answer
    x = 5,332.90

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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.