Home / 5,255.22-7,251.91-3,017.80

Finding the Fourth Proportional to 5,255.22, 7,251.91 and 3,017.80

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Solution

The fourth proportional to 5,255.22, 7,251.91 and 3,017.80 is: 4,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.22 : 7,251.91 = 3,017.80 : x
  2. Step 2: Convert to fraction form
    5,255.22/7,251.91 = 3,017.80/x
  3. Step 3: Cross multiply
    5,255.22x = 7,251.91 × 3,017.80
  4. Step 4: Simplify right side
    5,255.22x = 21,884,814.00
  5. Step 5: Solve for x
    x = 21,884,814.00/5,255.22
  6. Step 6: Final answer
    x = 4,164.40

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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.