Home / 6,220.30-8,583.76-3,565.86

Finding the Fourth Proportional to 6,220.30, 8,583.76 and 3,565.86

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Solution

The fourth proportional to 6,220.30, 8,583.76 and 3,565.86 is: 4,920.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.30 : 8,583.76 = 3,565.86 : x
  2. Step 2: Convert to fraction form
    6,220.30/8,583.76 = 3,565.86/x
  3. Step 3: Cross multiply
    6,220.30x = 8,583.76 × 3,565.86
  4. Step 4: Simplify right side
    6,220.30x = 30,608,486.43
  5. Step 5: Solve for x
    x = 30,608,486.43/6,220.30
  6. Step 6: Final answer
    x = 4,920.74

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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.