Home / 2,374.38-3,273.75-1,981.26

Finding the Fourth Proportional to 2,374.38, 3,273.75 and 1,981.26

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Solution

The fourth proportional to 2,374.38, 3,273.75 and 1,981.26 is: 2,731.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,374.38 : 3,273.75 = 1,981.26 : x
  2. Step 2: Convert to fraction form
    2,374.38/3,273.75 = 1,981.26/x
  3. Step 3: Cross multiply
    2,374.38x = 3,273.75 × 1,981.26
  4. Step 4: Simplify right side
    2,374.38x = 6,486,149.93
  5. Step 5: Solve for x
    x = 6,486,149.93/2,374.38
  6. Step 6: Final answer
    x = 2,731.72

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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.