Home / 3,474.71-4,795.56-1,982.28

Finding the Fourth Proportional to 3,474.71, 4,795.56 and 1,982.28

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Solution

The fourth proportional to 3,474.71, 4,795.56 and 1,982.28 is: 2,735.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.71 : 4,795.56 = 1,982.28 : x
  2. Step 2: Convert to fraction form
    3,474.71/4,795.56 = 1,982.28/x
  3. Step 3: Cross multiply
    3,474.71x = 4,795.56 × 1,982.28
  4. Step 4: Simplify right side
    3,474.71x = 9,506,160.66
  5. Step 5: Solve for x
    x = 9,506,160.66/3,474.71
  6. Step 6: Final answer
    x = 2,735.82

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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.