Home / 4,798.13-7,191.72-2,195.60

Finding the Fourth Proportional to 4,798.13, 7,191.72 and 2,195.60

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Solution

The fourth proportional to 4,798.13, 7,191.72 and 2,195.60 is: 3,290.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,798.13 : 7,191.72 = 2,195.60 : x
  2. Step 2: Convert to fraction form
    4,798.13/7,191.72 = 2,195.60/x
  3. Step 3: Cross multiply
    4,798.13x = 7,191.72 × 2,195.60
  4. Step 4: Simplify right side
    4,798.13x = 15,790,122.45
  5. Step 5: Solve for x
    x = 15,790,122.45/4,798.13
  6. Step 6: Final answer
    x = 3,290.89

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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.