Home / 6,221.48-8,584.26-3,703.40

Finding the Fourth Proportional to 6,221.48, 8,584.26 and 3,703.40

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Solution

The fourth proportional to 6,221.48, 8,584.26 and 3,703.40 is: 5,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.48 : 8,584.26 = 3,703.40 : x
  2. Step 2: Convert to fraction form
    6,221.48/8,584.26 = 3,703.40/x
  3. Step 3: Cross multiply
    6,221.48x = 8,584.26 × 3,703.40
  4. Step 4: Simplify right side
    6,221.48x = 31,790,948.48
  5. Step 5: Solve for x
    x = 31,790,948.48/6,221.48
  6. Step 6: Final answer
    x = 5,109.87

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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.