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Finding the Fourth Proportional to 5,273.99, 7,277.45 and 2,916.12

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Solution

The fourth proportional to 5,273.99, 7,277.45 and 2,916.12 is: 4,023.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.99 : 7,277.45 = 2,916.12 : x
  2. Step 2: Convert to fraction form
    5,273.99/7,277.45 = 2,916.12/x
  3. Step 3: Cross multiply
    5,273.99x = 7,277.45 × 2,916.12
  4. Step 4: Simplify right side
    5,273.99x = 21,221,902.91
  5. Step 5: Solve for x
    x = 21,221,902.91/5,273.99
  6. Step 6: Final answer
    x = 4,023.88

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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.