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Finding the Fourth Proportional to 3,953.86, 5,930.79 and 1,032.16

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Solution

The fourth proportional to 3,953.86, 5,930.79 and 1,032.16 is: 1,548.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.86 : 5,930.79 = 1,032.16 : x
  2. Step 2: Convert to fraction form
    3,953.86/5,930.79 = 1,032.16/x
  3. Step 3: Cross multiply
    3,953.86x = 5,930.79 × 1,032.16
  4. Step 4: Simplify right side
    3,953.86x = 6,121,524.21
  5. Step 5: Solve for x
    x = 6,121,524.21/3,953.86
  6. Step 6: Final answer
    x = 1,548.24

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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.