Home / 3,056.37-4,217.81-1,730.33

Finding the Fourth Proportional to 3,056.37, 4,217.81 and 1,730.33

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Solution

The fourth proportional to 3,056.37, 4,217.81 and 1,730.33 is: 2,387.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.37 : 4,217.81 = 1,730.33 : x
  2. Step 2: Convert to fraction form
    3,056.37/4,217.81 = 1,730.33/x
  3. Step 3: Cross multiply
    3,056.37x = 4,217.81 × 1,730.33
  4. Step 4: Simplify right side
    3,056.37x = 7,298,205.68
  5. Step 5: Solve for x
    x = 7,298,205.68/3,056.37
  6. Step 6: Final answer
    x = 2,387.87

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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.