Home / 5,204.90-7,182.74-2,847.03

Finding the Fourth Proportional to 5,204.90, 7,182.74 and 2,847.03

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Solution

The fourth proportional to 5,204.90, 7,182.74 and 2,847.03 is: 3,928.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.90 : 7,182.74 = 2,847.03 : x
  2. Step 2: Convert to fraction form
    5,204.90/7,182.74 = 2,847.03/x
  3. Step 3: Cross multiply
    5,204.90x = 7,182.74 × 2,847.03
  4. Step 4: Simplify right side
    5,204.90x = 20,449,483.38
  5. Step 5: Solve for x
    x = 20,449,483.38/5,204.90
  6. Step 6: Final answer
    x = 3,928.89

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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.