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Finding the Fourth Proportional to 5,807.14, 8,009.97 and 3,892.99

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Solution

The fourth proportional to 5,807.14, 8,009.97 and 3,892.99 is: 5,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,807.14 : 8,009.97 = 3,892.99 : x
  2. Step 2: Convert to fraction form
    5,807.14/8,009.97 = 3,892.99/x
  3. Step 3: Cross multiply
    5,807.14x = 8,009.97 × 3,892.99
  4. Step 4: Simplify right side
    5,807.14x = 31,182,733.11
  5. Step 5: Solve for x
    x = 31,182,733.11/5,807.14
  6. Step 6: Final answer
    x = 5,369.72

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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.