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Finding the Fourth Proportional to 5,114.36, 7,056.02 and 3,347

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Solution

The fourth proportional to 5,114.36, 7,056.02 and 3,347 is: 4,617.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.36 : 7,056.02 = 3,347 : x
  2. Step 2: Convert to fraction form
    5,114.36/7,056.02 = 3,347/x
  3. Step 3: Cross multiply
    5,114.36x = 7,056.02 × 3,347
  4. Step 4: Simplify right side
    5,114.36x = 23,616,498.94
  5. Step 5: Solve for x
    x = 23,616,498.94/5,114.36
  6. Step 6: Final answer
    x = 4,617.68

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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.