Home / 2,056.17-3,083.70-739.71

Finding the Fourth Proportional to 2,056.17, 3,083.70 and 739.71

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Solution

The fourth proportional to 2,056.17, 3,083.70 and 739.71 is: 1,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.17 : 3,083.70 = 739.71 : x
  2. Step 2: Convert to fraction form
    2,056.17/3,083.70 = 739.71/x
  3. Step 3: Cross multiply
    2,056.17x = 3,083.70 × 739.71
  4. Step 4: Simplify right side
    2,056.17x = 2,281,043.73
  5. Step 5: Solve for x
    x = 2,281,043.73/2,056.17
  6. Step 6: Final answer
    x = 1,109.37

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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.