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Finding the Fourth Proportional to 3,083.72, 4,625.80 and 975.83

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Solution

The fourth proportional to 3,083.72, 4,625.80 and 975.83 is: 1,463.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.72 : 4,625.80 = 975.83 : x
  2. Step 2: Convert to fraction form
    3,083.72/4,625.80 = 975.83/x
  3. Step 3: Cross multiply
    3,083.72x = 4,625.80 × 975.83
  4. Step 4: Simplify right side
    3,083.72x = 4,513,968.85
  5. Step 5: Solve for x
    x = 4,513,968.85/3,083.72
  6. Step 6: Final answer
    x = 1,463.81

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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.