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Finding the Fourth Proportional to 4,840.86, 6,681 and 2,744.58

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Solution

The fourth proportional to 4,840.86, 6,681 and 2,744.58 is: 3,787.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.86 : 6,681 = 2,744.58 : x
  2. Step 2: Convert to fraction form
    4,840.86/6,681 = 2,744.58/x
  3. Step 3: Cross multiply
    4,840.86x = 6,681 × 2,744.58
  4. Step 4: Simplify right side
    4,840.86x = 18,336,538.98
  5. Step 5: Solve for x
    x = 18,336,538.98/4,840.86
  6. Step 6: Final answer
    x = 3,787.87

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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.