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Finding the Fourth Proportional to 5,381.86, 7,426.54 and 3,023.54

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Solution

The fourth proportional to 5,381.86, 7,426.54 and 3,023.54 is: 4,172.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.86 : 7,426.54 = 3,023.54 : x
  2. Step 2: Convert to fraction form
    5,381.86/7,426.54 = 3,023.54/x
  3. Step 3: Cross multiply
    5,381.86x = 7,426.54 × 3,023.54
  4. Step 4: Simplify right side
    5,381.86x = 22,454,440.75
  5. Step 5: Solve for x
    x = 22,454,440.75/5,381.86
  6. Step 6: Final answer
    x = 4,172.25

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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.