Home / 5,878.80-8,112.75-3,226.22

Finding the Fourth Proportional to 5,878.80, 8,112.75 and 3,226.22

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Solution

The fourth proportional to 5,878.80, 8,112.75 and 3,226.22 is: 4,452.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.80 : 8,112.75 = 3,226.22 : x
  2. Step 2: Convert to fraction form
    5,878.80/8,112.75 = 3,226.22/x
  3. Step 3: Cross multiply
    5,878.80x = 8,112.75 × 3,226.22
  4. Step 4: Simplify right side
    5,878.80x = 26,173,475.74
  5. Step 5: Solve for x
    x = 26,173,475.74/5,878.80
  6. Step 6: Final answer
    x = 4,452.18

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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.