Home / 5,057.32-6,979.56-3,068.38

Finding the Fourth Proportional to 5,057.32, 6,979.56 and 3,068.38

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Solution

The fourth proportional to 5,057.32, 6,979.56 and 3,068.38 is: 4,234.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.32 : 6,979.56 = 3,068.38 : x
  2. Step 2: Convert to fraction form
    5,057.32/6,979.56 = 3,068.38/x
  3. Step 3: Cross multiply
    5,057.32x = 6,979.56 × 3,068.38
  4. Step 4: Simplify right side
    5,057.32x = 21,415,942.31
  5. Step 5: Solve for x
    x = 21,415,942.31/5,057.32
  6. Step 6: Final answer
    x = 4,234.64

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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.