Home / 5,245.90-7,874.31-2,326.25

Finding the Fourth Proportional to 5,245.90, 7,874.31 and 2,326.25

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Solution

The fourth proportional to 5,245.90, 7,874.31 and 2,326.25 is: 3,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.90 : 7,874.31 = 2,326.25 : x
  2. Step 2: Convert to fraction form
    5,245.90/7,874.31 = 2,326.25/x
  3. Step 3: Cross multiply
    5,245.90x = 7,874.31 × 2,326.25
  4. Step 4: Simplify right side
    5,245.90x = 18,317,642.05
  5. Step 5: Solve for x
    x = 18,317,642.05/5,245.90
  6. Step 6: Final answer
    x = 3,491.80

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.