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Finding the Fourth Proportional to 5,683, 7,842.30 and 3,165.52

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Solution

The fourth proportional to 5,683, 7,842.30 and 3,165.52 is: 4,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683 : 7,842.30 = 3,165.52 : x
  2. Step 2: Convert to fraction form
    5,683/7,842.30 = 3,165.52/x
  3. Step 3: Cross multiply
    5,683x = 7,842.30 × 3,165.52
  4. Step 4: Simplify right side
    5,683x = 24,824,957.50
  5. Step 5: Solve for x
    x = 24,824,957.50/5,683
  6. Step 6: Final answer
    x = 4,368.28

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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.