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Finding the Fourth Proportional to 5,798.11, 7,999.51 and 3,279.98

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Solution

The fourth proportional to 5,798.11, 7,999.51 and 3,279.98 is: 4,525.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798.11 : 7,999.51 = 3,279.98 : x
  2. Step 2: Convert to fraction form
    5,798.11/7,999.51 = 3,279.98/x
  3. Step 3: Cross multiply
    5,798.11x = 7,999.51 × 3,279.98
  4. Step 4: Simplify right side
    5,798.11x = 26,238,232.81
  5. Step 5: Solve for x
    x = 26,238,232.81/5,798.11
  6. Step 6: Final answer
    x = 4,525.31

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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.