Home / 5,198.38-7,173.48-3,209.08

Finding the Fourth Proportional to 5,198.38, 7,173.48 and 3,209.08

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Solution

The fourth proportional to 5,198.38, 7,173.48 and 3,209.08 is: 4,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.38 : 7,173.48 = 3,209.08 : x
  2. Step 2: Convert to fraction form
    5,198.38/7,173.48 = 3,209.08/x
  3. Step 3: Cross multiply
    5,198.38x = 7,173.48 × 3,209.08
  4. Step 4: Simplify right side
    5,198.38x = 23,020,271.20
  5. Step 5: Solve for x
    x = 23,020,271.20/5,198.38
  6. Step 6: Final answer
    x = 4,428.35

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Half scale
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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.