Home / 5,874.30-8,106.48-3,221.71

Finding the Fourth Proportional to 5,874.30, 8,106.48 and 3,221.71

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Solution

The fourth proportional to 5,874.30, 8,106.48 and 3,221.71 is: 4,445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.30 : 8,106.48 = 3,221.71 : x
  2. Step 2: Convert to fraction form
    5,874.30/8,106.48 = 3,221.71/x
  3. Step 3: Cross multiply
    5,874.30x = 8,106.48 × 3,221.71
  4. Step 4: Simplify right side
    5,874.30x = 26,116,727.68
  5. Step 5: Solve for x
    x = 26,116,727.68/5,874.30
  6. Step 6: Final answer
    x = 4,445.93

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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.