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Finding the Fourth Proportional to 3,477.28, 5,210.06 and 1,719.94

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Solution

The fourth proportional to 3,477.28, 5,210.06 and 1,719.94 is: 2,577.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.28 : 5,210.06 = 1,719.94 : x
  2. Step 2: Convert to fraction form
    3,477.28/5,210.06 = 1,719.94/x
  3. Step 3: Cross multiply
    3,477.28x = 5,210.06 × 1,719.94
  4. Step 4: Simplify right side
    3,477.28x = 8,960,982.00
  5. Step 5: Solve for x
    x = 8,960,982.00/3,477.28
  6. Step 6: Final answer
    x = 2,577.01

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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.