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Finding the Fourth Proportional to 5,691.49, 7,861.73 and 4,362.89

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Solution

The fourth proportional to 5,691.49, 7,861.73 and 4,362.89 is: 6,026.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.49 : 7,861.73 = 4,362.89 : x
  2. Step 2: Convert to fraction form
    5,691.49/7,861.73 = 4,362.89/x
  3. Step 3: Cross multiply
    5,691.49x = 7,861.73 × 4,362.89
  4. Step 4: Simplify right side
    5,691.49x = 34,299,802.08
  5. Step 5: Solve for x
    x = 34,299,802.08/5,691.49
  6. Step 6: Final answer
    x = 6,026.51

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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.