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Finding the Fourth Proportional to 3,866.49, 5,338.53 and 2,376.41

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Solution

The fourth proportional to 3,866.49, 5,338.53 and 2,376.41 is: 3,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866.49 : 5,338.53 = 2,376.41 : x
  2. Step 2: Convert to fraction form
    3,866.49/5,338.53 = 2,376.41/x
  3. Step 3: Cross multiply
    3,866.49x = 5,338.53 × 2,376.41
  4. Step 4: Simplify right side
    3,866.49x = 12,686,536.08
  5. Step 5: Solve for x
    x = 12,686,536.08/3,866.49
  6. Step 6: Final answer
    x = 3,281.15

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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.