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Finding the Fourth Proportional to 3,859.58, 5,324.05 and 2,442.84

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Solution

The fourth proportional to 3,859.58, 5,324.05 and 2,442.84 is: 3,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.58 : 5,324.05 = 2,442.84 : x
  2. Step 2: Convert to fraction form
    3,859.58/5,324.05 = 2,442.84/x
  3. Step 3: Cross multiply
    3,859.58x = 5,324.05 × 2,442.84
  4. Step 4: Simplify right side
    3,859.58x = 13,005,802.30
  5. Step 5: Solve for x
    x = 13,005,802.30/3,859.58
  6. Step 6: Final answer
    x = 3,369.75

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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.