Home / 4,979.73-6,872.36-3,298.22

Finding the Fourth Proportional to 4,979.73, 6,872.36 and 3,298.22

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Solution

The fourth proportional to 4,979.73, 6,872.36 and 3,298.22 is: 4,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.73 : 6,872.36 = 3,298.22 : x
  2. Step 2: Convert to fraction form
    4,979.73/6,872.36 = 3,298.22/x
  3. Step 3: Cross multiply
    4,979.73x = 6,872.36 × 3,298.22
  4. Step 4: Simplify right side
    4,979.73x = 22,666,555.20
  5. Step 5: Solve for x
    x = 22,666,555.20/4,979.73
  6. Step 6: Final answer
    x = 4,551.76

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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.