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Finding the Fourth Proportional to 6,129.88, 8,458.93 and 3,477.23

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Solution

The fourth proportional to 6,129.88, 8,458.93 and 3,477.23 is: 4,798.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.88 : 8,458.93 = 3,477.23 : x
  2. Step 2: Convert to fraction form
    6,129.88/8,458.93 = 3,477.23/x
  3. Step 3: Cross multiply
    6,129.88x = 8,458.93 × 3,477.23
  4. Step 4: Simplify right side
    6,129.88x = 29,413,638.94
  5. Step 5: Solve for x
    x = 29,413,638.94/6,129.88
  6. Step 6: Final answer
    x = 4,798.41

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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.