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Finding the Fourth Proportional to 3,867.36, 5,800.84 and 1,368.38

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Solution

The fourth proportional to 3,867.36, 5,800.84 and 1,368.38 is: 2,052.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.36 : 5,800.84 = 1,368.38 : x
  2. Step 2: Convert to fraction form
    3,867.36/5,800.84 = 1,368.38/x
  3. Step 3: Cross multiply
    3,867.36x = 5,800.84 × 1,368.38
  4. Step 4: Simplify right side
    3,867.36x = 7,937,753.44
  5. Step 5: Solve for x
    x = 7,937,753.44/3,867.36
  6. Step 6: Final answer
    x = 2,052.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.