Home / 4,943.35-6,821.70-2,705.20

Finding the Fourth Proportional to 4,943.35, 6,821.70 and 2,705.20

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Solution

The fourth proportional to 4,943.35, 6,821.70 and 2,705.20 is: 3,733.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.35 : 6,821.70 = 2,705.20 : x
  2. Step 2: Convert to fraction form
    4,943.35/6,821.70 = 2,705.20/x
  3. Step 3: Cross multiply
    4,943.35x = 6,821.70 × 2,705.20
  4. Step 4: Simplify right side
    4,943.35x = 18,454,028.73
  5. Step 5: Solve for x
    x = 18,454,028.73/4,943.35
  6. Step 6: Final answer
    x = 3,733.11

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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.