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Finding the Fourth Proportional to 5,792.03, 7,992.93 and 3,139.46

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Solution

The fourth proportional to 5,792.03, 7,992.93 and 3,139.46 is: 4,332.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,792.03 : 7,992.93 = 3,139.46 : x
  2. Step 2: Convert to fraction form
    5,792.03/7,992.93 = 3,139.46/x
  3. Step 3: Cross multiply
    5,792.03x = 7,992.93 × 3,139.46
  4. Step 4: Simplify right side
    5,792.03x = 25,093,444.05
  5. Step 5: Solve for x
    x = 25,093,444.05/5,792.03
  6. Step 6: Final answer
    x = 4,332.41

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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.