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Finding the Fourth Proportional to 5,803.79, 8,009.18 and 3,151.19

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Solution

The fourth proportional to 5,803.79, 8,009.18 and 3,151.19 is: 4,348.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803.79 : 8,009.18 = 3,151.19 : x
  2. Step 2: Convert to fraction form
    5,803.79/8,009.18 = 3,151.19/x
  3. Step 3: Cross multiply
    5,803.79x = 8,009.18 × 3,151.19
  4. Step 4: Simplify right side
    5,803.79x = 25,238,392.12
  5. Step 5: Solve for x
    x = 25,238,392.12/5,803.79
  6. Step 6: Final answer
    x = 4,348.61

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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.