Home / 5,338.03-7,366.20-2,979.70

Finding the Fourth Proportional to 5,338.03, 7,366.20 and 2,979.70

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Solution

The fourth proportional to 5,338.03, 7,366.20 and 2,979.70 is: 4,111.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.03 : 7,366.20 = 2,979.70 : x
  2. Step 2: Convert to fraction form
    5,338.03/7,366.20 = 2,979.70/x
  3. Step 3: Cross multiply
    5,338.03x = 7,366.20 × 2,979.70
  4. Step 4: Simplify right side
    5,338.03x = 21,949,066.14
  5. Step 5: Solve for x
    x = 21,949,066.14/5,338.03
  6. Step 6: Final answer
    x = 4,111.83

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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.