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Finding the Fourth Proportional to 3,795.71, 5,237.92 and 2,800.63

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Solution

The fourth proportional to 3,795.71, 5,237.92 and 2,800.63 is: 3,864.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,795.71 : 5,237.92 = 2,800.63 : x
  2. Step 2: Convert to fraction form
    3,795.71/5,237.92 = 2,800.63/x
  3. Step 3: Cross multiply
    3,795.71x = 5,237.92 × 2,800.63
  4. Step 4: Simplify right side
    3,795.71x = 14,669,475.89
  5. Step 5: Solve for x
    x = 14,669,475.89/3,795.71
  6. Step 6: Final answer
    x = 3,864.75

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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.