Home / 4,939.14-7,411.62-1,821.34

Finding the Fourth Proportional to 4,939.14, 7,411.62 and 1,821.34

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Solution

The fourth proportional to 4,939.14, 7,411.62 and 1,821.34 is: 2,733.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.14 : 7,411.62 = 1,821.34 : x
  2. Step 2: Convert to fraction form
    4,939.14/7,411.62 = 1,821.34/x
  3. Step 3: Cross multiply
    4,939.14x = 7,411.62 × 1,821.34
  4. Step 4: Simplify right side
    4,939.14x = 13,499,079.97
  5. Step 5: Solve for x
    x = 13,499,079.97/4,939.14
  6. Step 6: Final answer
    x = 2,733.08

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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.