Home / 5,255.25-7,883.96-2,177.25

Finding the Fourth Proportional to 5,255.25, 7,883.96 and 2,177.25

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Solution

The fourth proportional to 5,255.25, 7,883.96 and 2,177.25 is: 3,266.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.25 : 7,883.96 = 2,177.25 : x
  2. Step 2: Convert to fraction form
    5,255.25/7,883.96 = 2,177.25/x
  3. Step 3: Cross multiply
    5,255.25x = 7,883.96 × 2,177.25
  4. Step 4: Simplify right side
    5,255.25x = 17,165,341.02
  5. Step 5: Solve for x
    x = 17,165,341.02/5,255.25
  6. Step 6: Final answer
    x = 3,266.32

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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.