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Finding the Fourth Proportional to 5,379.41, 7,403.35 and 4,551

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Solution

The fourth proportional to 5,379.41, 7,403.35 and 4,551 is: 6,263.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.41 : 7,403.35 = 4,551 : x
  2. Step 2: Convert to fraction form
    5,379.41/7,403.35 = 4,551/x
  3. Step 3: Cross multiply
    5,379.41x = 7,403.35 × 4,551
  4. Step 4: Simplify right side
    5,379.41x = 33,692,645.85
  5. Step 5: Solve for x
    x = 33,692,645.85/5,379.41
  6. Step 6: Final answer
    x = 6,263.26

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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.