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Finding the Fourth Proportional to 2,114.73, 2,917.13 and 1,327.41

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Solution

The fourth proportional to 2,114.73, 2,917.13 and 1,327.41 is: 1,831.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.73 : 2,917.13 = 1,327.41 : x
  2. Step 2: Convert to fraction form
    2,114.73/2,917.13 = 1,327.41/x
  3. Step 3: Cross multiply
    2,114.73x = 2,917.13 × 1,327.41
  4. Step 4: Simplify right side
    2,114.73x = 3,872,227.53
  5. Step 5: Solve for x
    x = 3,872,227.53/2,114.73
  6. Step 6: Final answer
    x = 1,831.07

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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.