Home / 2,341.66-3,231.42-1,293.72

Finding the Fourth Proportional to 2,341.66, 3,231.42 and 1,293.72

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Solution

The fourth proportional to 2,341.66, 3,231.42 and 1,293.72 is: 1,785.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.66 : 3,231.42 = 1,293.72 : x
  2. Step 2: Convert to fraction form
    2,341.66/3,231.42 = 1,293.72/x
  3. Step 3: Cross multiply
    2,341.66x = 3,231.42 × 1,293.72
  4. Step 4: Simplify right side
    2,341.66x = 4,180,552.68
  5. Step 5: Solve for x
    x = 4,180,552.68/2,341.66
  6. Step 6: Final answer
    x = 1,785.29

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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.