Home / 3,005.96-4,148.44-1,730.22

Finding the Fourth Proportional to 3,005.96, 4,148.44 and 1,730.22

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Solution

The fourth proportional to 3,005.96, 4,148.44 and 1,730.22 is: 2,387.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.96 : 4,148.44 = 1,730.22 : x
  2. Step 2: Convert to fraction form
    3,005.96/4,148.44 = 1,730.22/x
  3. Step 3: Cross multiply
    3,005.96x = 4,148.44 × 1,730.22
  4. Step 4: Simplify right side
    3,005.96x = 7,177,693.97
  5. Step 5: Solve for x
    x = 7,177,693.97/3,005.96
  6. Step 6: Final answer
    x = 2,387.82

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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.