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Finding the Fourth Proportional to 3,773.79, 5,659.52 and 1,141.06

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Solution

The fourth proportional to 3,773.79, 5,659.52 and 1,141.06 is: 1,711.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.79 : 5,659.52 = 1,141.06 : x
  2. Step 2: Convert to fraction form
    3,773.79/5,659.52 = 1,141.06/x
  3. Step 3: Cross multiply
    3,773.79x = 5,659.52 × 1,141.06
  4. Step 4: Simplify right side
    3,773.79x = 6,457,864.98
  5. Step 5: Solve for x
    x = 6,457,864.98/3,773.79
  6. Step 6: Final answer
    x = 1,711.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.