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Finding the Fourth Proportional to 5,367.86, 7,407.48 and 3,010.15

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Solution

The fourth proportional to 5,367.86, 7,407.48 and 3,010.15 is: 4,153.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.86 : 7,407.48 = 3,010.15 : x
  2. Step 2: Convert to fraction form
    5,367.86/7,407.48 = 3,010.15/x
  3. Step 3: Cross multiply
    5,367.86x = 7,407.48 × 3,010.15
  4. Step 4: Simplify right side
    5,367.86x = 22,297,625.92
  5. Step 5: Solve for x
    x = 22,297,625.92/5,367.86
  6. Step 6: Final answer
    x = 4,153.91

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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.