Home / 2,917.38-4,026.30-1,798.08

Finding the Fourth Proportional to 2,917.38, 4,026.30 and 1,798.08

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Solution

The fourth proportional to 2,917.38, 4,026.30 and 1,798.08 is: 2,481.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.38 : 4,026.30 = 1,798.08 : x
  2. Step 2: Convert to fraction form
    2,917.38/4,026.30 = 1,798.08/x
  3. Step 3: Cross multiply
    2,917.38x = 4,026.30 × 1,798.08
  4. Step 4: Simplify right side
    2,917.38x = 7,239,609.50
  5. Step 5: Solve for x
    x = 7,239,609.50/2,917.38
  6. Step 6: Final answer
    x = 2,481.54

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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.