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Finding the Fourth Proportional to 3,475.50, 5,213.84 and 1,134.84

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Solution

The fourth proportional to 3,475.50, 5,213.84 and 1,134.84 is: 1,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.50 : 5,213.84 = 1,134.84 : x
  2. Step 2: Convert to fraction form
    3,475.50/5,213.84 = 1,134.84/x
  3. Step 3: Cross multiply
    3,475.50x = 5,213.84 × 1,134.84
  4. Step 4: Simplify right side
    3,475.50x = 5,916,868.51
  5. Step 5: Solve for x
    x = 5,916,868.51/3,475.50
  6. Step 6: Final answer
    x = 1,702.45

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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.