Home / 5,680.46-7,836.49-3,321.58

Finding the Fourth Proportional to 5,680.46, 7,836.49 and 3,321.58

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Solution

The fourth proportional to 5,680.46, 7,836.49 and 3,321.58 is: 4,582.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.46 : 7,836.49 = 3,321.58 : x
  2. Step 2: Convert to fraction form
    5,680.46/7,836.49 = 3,321.58/x
  3. Step 3: Cross multiply
    5,680.46x = 7,836.49 × 3,321.58
  4. Step 4: Simplify right side
    5,680.46x = 26,029,528.45
  5. Step 5: Solve for x
    x = 26,029,528.45/5,680.46
  6. Step 6: Final answer
    x = 4,582.29

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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.