Home / 6,221.43-8,585.61-3,426.93

Finding the Fourth Proportional to 6,221.43, 8,585.61 and 3,426.93

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Solution

The fourth proportional to 6,221.43, 8,585.61 and 3,426.93 is: 4,729.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.43 : 8,585.61 = 3,426.93 : x
  2. Step 2: Convert to fraction form
    6,221.43/8,585.61 = 3,426.93/x
  3. Step 3: Cross multiply
    6,221.43x = 8,585.61 × 3,426.93
  4. Step 4: Simplify right side
    6,221.43x = 29,422,284.48
  5. Step 5: Solve for x
    x = 29,422,284.48/6,221.43
  6. Step 6: Final answer
    x = 4,729.18

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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.