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Finding the Fourth Proportional to 5,798.56, 8,003.99 and 3,908.93

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Solution

The fourth proportional to 5,798.56, 8,003.99 and 3,908.93 is: 5,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798.56 : 8,003.99 = 3,908.93 : x
  2. Step 2: Convert to fraction form
    5,798.56/8,003.99 = 3,908.93/x
  3. Step 3: Cross multiply
    5,798.56x = 8,003.99 × 3,908.93
  4. Step 4: Simplify right side
    5,798.56x = 31,287,036.63
  5. Step 5: Solve for x
    x = 31,287,036.63/5,798.56
  6. Step 6: Final answer
    x = 5,395.66

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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.