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Finding the Fourth Proportional to 3,762.95, 5,193.51 and 2,169.31

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Solution

The fourth proportional to 3,762.95, 5,193.51 and 2,169.31 is: 2,994.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.95 : 5,193.51 = 2,169.31 : x
  2. Step 2: Convert to fraction form
    3,762.95/5,193.51 = 2,169.31/x
  3. Step 3: Cross multiply
    3,762.95x = 5,193.51 × 2,169.31
  4. Step 4: Simplify right side
    3,762.95x = 11,266,333.18
  5. Step 5: Solve for x
    x = 11,266,333.18/3,762.95
  6. Step 6: Final answer
    x = 2,994.02

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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.