Home / 2,341.31-3,231.08-1,293.35

Finding the Fourth Proportional to 2,341.31, 3,231.08 and 1,293.35

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Solution

The fourth proportional to 2,341.31, 3,231.08 and 1,293.35 is: 1,784.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.31 : 3,231.08 = 1,293.35 : x
  2. Step 2: Convert to fraction form
    2,341.31/3,231.08 = 1,293.35/x
  3. Step 3: Cross multiply
    2,341.31x = 3,231.08 × 1,293.35
  4. Step 4: Simplify right side
    2,341.31x = 4,178,917.32
  5. Step 5: Solve for x
    x = 4,178,917.32/2,341.31
  6. Step 6: Final answer
    x = 1,784.86

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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.