Home / 5,874.16-8,106.38-3,221.58

Finding the Fourth Proportional to 5,874.16, 8,106.38 and 3,221.58

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Solution

The fourth proportional to 5,874.16, 8,106.38 and 3,221.58 is: 4,445.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.16 : 8,106.38 = 3,221.58 : x
  2. Step 2: Convert to fraction form
    5,874.16/8,106.38 = 3,221.58/x
  3. Step 3: Cross multiply
    5,874.16x = 8,106.38 × 3,221.58
  4. Step 4: Simplify right side
    5,874.16x = 26,115,295.04
  5. Step 5: Solve for x
    x = 26,115,295.04/5,874.16
  6. Step 6: Final answer
    x = 4,445.79

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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.