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Finding the Fourth Proportional to 5,792.40, 7,995.92 and 3,697.76

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Solution

The fourth proportional to 5,792.40, 7,995.92 and 3,697.76 is: 5,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,792.40 : 7,995.92 = 3,697.76 : x
  2. Step 2: Convert to fraction form
    5,792.40/7,995.92 = 3,697.76/x
  3. Step 3: Cross multiply
    5,792.40x = 7,995.92 × 3,697.76
  4. Step 4: Simplify right side
    5,792.40x = 29,566,993.14
  5. Step 5: Solve for x
    x = 29,566,993.14/5,792.40
  6. Step 6: Final answer
    x = 5,104.45

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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.