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Finding the Fourth Proportional to 2,155.86, 3,233.79 and 1,504.62

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Solution

The fourth proportional to 2,155.86, 3,233.79 and 1,504.62 is: 2,256.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155.86 : 3,233.79 = 1,504.62 : x
  2. Step 2: Convert to fraction form
    2,155.86/3,233.79 = 1,504.62/x
  3. Step 3: Cross multiply
    2,155.86x = 3,233.79 × 1,504.62
  4. Step 4: Simplify right side
    2,155.86x = 4,865,625.11
  5. Step 5: Solve for x
    x = 4,865,625.11/2,155.86
  6. Step 6: Final answer
    x = 2,256.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.