Home / 5,874.25-8,106.71-3,221.76

Finding the Fourth Proportional to 5,874.25, 8,106.71 and 3,221.76

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Solution

The fourth proportional to 5,874.25, 8,106.71 and 3,221.76 is: 4,446.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.25 : 8,106.71 = 3,221.76 : x
  2. Step 2: Convert to fraction form
    5,874.25/8,106.71 = 3,221.76/x
  3. Step 3: Cross multiply
    5,874.25x = 8,106.71 × 3,221.76
  4. Step 4: Simplify right side
    5,874.25x = 26,117,874.01
  5. Step 5: Solve for x
    x = 26,117,874.01/5,874.25
  6. Step 6: Final answer
    x = 4,446.16

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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.