Home / 5,874.50-8,106.06-3,221.21

Finding the Fourth Proportional to 5,874.50, 8,106.06 and 3,221.21

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Solution

The fourth proportional to 5,874.50, 8,106.06 and 3,221.21 is: 4,444.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.50 : 8,106.06 = 3,221.21 : x
  2. Step 2: Convert to fraction form
    5,874.50/8,106.06 = 3,221.21/x
  3. Step 3: Cross multiply
    5,874.50x = 8,106.06 × 3,221.21
  4. Step 4: Simplify right side
    5,874.50x = 26,111,321.53
  5. Step 5: Solve for x
    x = 26,111,321.53/5,874.50
  6. Step 6: Final answer
    x = 4,444.86

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Half scale
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Double scale
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Similar ratio
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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.