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Finding the Fourth Proportional to 5,790.60, 7,986.96 and 5,597.87

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Solution

The fourth proportional to 5,790.60, 7,986.96 and 5,597.87 is: 7,721.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.60 : 7,986.96 = 5,597.87 : x
  2. Step 2: Convert to fraction form
    5,790.60/7,986.96 = 5,597.87/x
  3. Step 3: Cross multiply
    5,790.60x = 7,986.96 × 5,597.87
  4. Step 4: Simplify right side
    5,790.60x = 44,709,923.84
  5. Step 5: Solve for x
    x = 44,709,923.84/5,790.60
  6. Step 6: Final answer
    x = 7,721.12

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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.