Home / 3,350.70-4,621.62-2,340.72

Finding the Fourth Proportional to 3,350.70, 4,621.62 and 2,340.72

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Solution

The fourth proportional to 3,350.70, 4,621.62 and 2,340.72 is: 3,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.70 : 4,621.62 = 2,340.72 : x
  2. Step 2: Convert to fraction form
    3,350.70/4,621.62 = 2,340.72/x
  3. Step 3: Cross multiply
    3,350.70x = 4,621.62 × 2,340.72
  4. Step 4: Simplify right side
    3,350.70x = 10,817,918.37
  5. Step 5: Solve for x
    x = 10,817,918.37/3,350.70
  6. Step 6: Final answer
    x = 3,228.55

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Half scale
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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.